5288749-6

52887496 Lock Washer

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Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. 5288749-6 specification

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.141in. and 0.148in. ⁓5/32"

Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

0.250in.

Material Thickness
A measurement of the smallest dimension of the material,in distinction from length or width.

0.031in. and 0.037in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

mrap RG-31

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

90.0 rockwell b

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

copper alloy

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, ty 2, cl 3 fed spec single treatment response

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

split HELICAL-Right hand

Answers.

What quantity is this sold in?

1HD

What is the style?

Split helical-right hand

What material is the lock washer made of ?

Copper alloy

What is the thickness?

0.031 inches minimum and 0.037 inches maximum

What is the outside diameter?

0.250 inches maximum

What is the inside hole diameter?

0.141 inches minimum and 0.148 inches maximum

What is the NSN for 5288749-6?

5310-00-184-8977

How is this classified for shipping?

Schedule B number: 7415210000
nmfc 194120
Copper washers including spring washers not threaded

What's the federal classification of 5288749-6?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-00-184-8977 WASHER,LOCK

Used on mrap rg-31. split helical-right hand cadmium surface treated 0.031" material thickness 0.250" outside diameter 0.141" hole diameter

NIIN
001848977
NIIN Date
01/01/63
Schedule B
7415210000 
Name Code
14218
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$9.20 HD
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 43W4740-30 Cage D9182
2. MS16214-19 Cage D9182
3. MS35337-98 Cage D9182
4. N407P37C11 Cage D9182
5. MB35338-90 Cage D9182
6. 177013-11 Cage 10001
7. FFW84 Cage 81348
8. 1537351-6 Cage 10001
9. A14-813 Cage 80294
10. 12Z22-273 Cage D9182
11. 2190-0018 Cage D9182
12. E20476 Cage D1379
13. 1108 Cage 86376
14. 820600G53A1 Cage 58474
15. MS35338-98 Cage 80205
16. 2151100035 Cage 57057
17. 802653 Cage 19203
18. N407P37C15 Cage 99971
19. HK799P06M Cage 06845
20. X7-6 Cage 35918
21. 105135-503 Cage 37695
22. AN935B6 Cage 88044
23. 62102140 Cage 30669
24. MS35338-98 Cage 96906
25. A14-813 Cage 11871
26. 10116638 Cage A486G
27. 2111816-3 Cage 10001
28. 5310001848977 Cage SCY13
29. N407P37C15 Cage 09172

Major End Users Countries and entities

  • - National Aeronautics And Space Administration 
  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - U.s. Marine Corps 
  • - U.s. Coast Guard 
  • - Austria 
  • - Finland 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Israel 
  • - Singapore 
  • - Morocco 
  • - Saudi Arabia 
  • - Malaysia 
  • - Thailand 
  • - Australia 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Portugal 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 

Major End Items End use applications

  • - Close in weapon system (ciws-phalanx)
  • - Support equipment, b-52 aircraft
  • - Support equipment, b-1 aircraft
  • - Traffic jam, an/tlq-17a
  • - Aircraft, sof ( ac-130h, mc-130h, ec-130e, hc-130)
  • - Engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p)
  • - Engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h)
  • - Missile, air-to-air, phoenix (aim-54)
  • - Engine, aircraft, t56-a-7/15 (c-130b/e/h/n/p)
  • - Vertical and short take-off optical landing (vstol) system
  • - Circuit card assembly
  • - Cylinder assembly,actuating,linear
  • - Shelter,nonexpandable
  • - Circuit card assembly
  • - Amplifier-power supply
  • - Generator,signal
  • - Circuit card assembly
  • - Modulator,radar
  • - Circuit card assembly
  • - Amplifier assembly
  • - Power supply
  • - Cylinder assembly,actuating,linear
  • - Electronic components assembly
  • - Teletypewriter
  • - Control box,electrical,armament system
  • - Circuit card assembly
  • - Transmitter group
  • - Receiver-transmitter,radio
  • - Light,navigational,aircraft
  • - Light,navigational,aircraft
  • - Transmitter,radio
  • - Control,transponder set
  • - Meteorological data
  • - Receiver group
  • - Charger,battery
  • - Teletypewriter set
  • - Modulator,radar
  • - Generator,signal
  • - Radio teletypewriter set
  • - Air conditioner
  • - Receiver,tone,remot
  • - Power supply
  • - Control transmitter
  • - Digital message dev
  • - Test set,radio
  • - Transmitting set,ra
  • - Generator set,gasoline engine
  • - Test set,radio
  • - Test set,radio
  • - Test set,radio
  • - Test set,radio
  • - Circuit card assembly
  • - Dolly set,lift,transportable shelter
  • - Drawer,signal control
  • - Modulator,radar
  • - Timer,electric,digi
  • - Wind measuring set
  • - Interconnecting box
  • - Helicopter,attack
  • - Timer,electric,digi
  • - Carrier,ammunition,tracked
  • - Drawer,signal control
  • - Interconnecting box
  • - Helicopter,attack
  • - Helicopter,attack
  • - Receiver group
  • - Helicopter,attack
  • - Power supply
  • - Receiver-transmitter,radio
  • - Helicopter,attack
  • - Helicopter,attack
  • - Maintenance kit,electronic equipment
  • - Test equipment,guided missile system
  • - Generator set,diesel engine,trailer mounted
  • - Control,radio set
  • - Amplifier,radio frequency
  • - Chassis asy
  • - Generator set,gasoline engine
  • - Center section,targeting pod
  • - Indicator,attitude
  • - Control,transponder set
  • - Generator,signal
  • - Power plant,electric
  • - Coupler,tank tuning
  • - Test set,navigation
  • - Modulator,radar
  • - Oscilloscope
  • - Receiver,radio
  • - Test stand,hydraulic system components
  • - Light,navigational,aircraft
  • - Generator set,gas turbine engine
  • - Indicator,standing wave ratio
  • - Light,navigational,aircraft
  • - Comparator,signal
  • - Receiver-transmitter,radar
  • - Motor-generator
  • - Control,radio set
  • - Modem,radio teletyp
  • - Transmitter,radar
  • - Pump,submerged,aircraft
  • - Tactical imagery in
  • - Regulator,oxygen,demand
  • - Selector,trigger-video signal
  • - Receiver-transmitter,radio
  • - Adapter,cable breakout
  • - Motor-generator
  • - Receiver-transmitter,radio
  • - Multimeter
  • - Test set,fire control system
  • - Telephone set
  • - Test set,radio
  • - Pump,submerged,aircraft
  • - Adapter,test
  • - Test set,electric s
  • - Teletypewriter
  • - Drawer,signal control
  • - Alarm-monitor
  • - Receiver-transmitter,radar
  • - Pedestal,antenna
  • - Receiving set,radio
  • - Receiver,module
  • - Electronic components assembly
  • - Control,radio set
  • - Control,radio set
  • - Charger,battery
  • - Regulator,voltage
  • - Multiplexer,digital
  • - Console,power distribution
  • - Motor-generator
  • - Sight,lead computing,automatic
  • - Test set,electric s
  • - Console,power distribution
  • - Test set,radio
  • - Power supply
  • - Receiver subassembly,radar
  • - Motor-generator
  • - Receiver,radio
  • - Amplifier,intermediate frequency
  • - Test set,radio
  • - Transformer,power
  • - Switch,electronic
  • - Comparator,signal
  • - Power supply
  • - Ohmmeter
  • - Test set,radar
  • - Receiver subassy,in
  • - Receiver,radio
  • - Power supply
  • - Modulator,radar
  • - Motor-generator
  • - Test set,electrical power
  • - Motor-generator
  • - Receiver,countermeasures
  • - Generator,signal
  • - Combat engineer vehicle,full tracked
  • - Power supply
  • - Receiver,radio
  • - Power supply
  • - Controller,motor
  • - Multimeter
  • - Modulator,radar
  • - Indicator,radar target
  • - Receiver-transmitter,radio
  • - Test set,automatic pilot
  • - Amplifier,electronic control
  • - Panel,protection,electrical system
  • - Motor-generator
  • - Control,receiver
  • - Receiver-transmitter subassembly
  • - Generator,pulse
  • - Control,receiver
  • - Motor-generator
  • - Receiver group
  • - Central,communicati
  • - Power supply
  • - Regulator,voltage
  • - Chassis,plug-in unit,electronic test
  • - Pump,submerged,aircraft
  • - Receiver subassembly
  • - Panel,power distribution
  • - Coupler,azimuth
  • - Amplifier,radio frequency
  • - Control,radio set
  • - Selector,control
  • - Power supply
  • - Generator,signal
  • - Nozzle assembly,aer
  • - Test set,synchro
  • - Motor-generator
  • - Multimeter
  • - Motor-generator
  • - Selector control subassembly
  • - Driver,strobe
  • - Generator,signal
  • - Generator,pulse
  • - Computer,bomb tossi
  • - Amplifier,radio frequency
  • - Receiver-transmitter,radio
  • - Receiver subassembly,radio
  • - Test set,radio
  • - Control,radio set
  • - Cavity,tuned
  • - Preselector,transmi
  • - Camera,motion picture
  • - Motor-generator
  • - Coupler,range
  • - Indicator control subassembly
  • - Control-monitor
  • - Cardpunch,low speed
  • - Modulator,radio transmitter
  • - Telephone set
  • - Indicator,temperature,electrical resistance
  • - Center section,targeting pod
  • - Cavity,tuned
  • - Test set,aircraft engine
  • - Indicator,temperature,electrical resistance
  • - Control,radio set
  • - Power supply
  • - Test set,navigation
  • - Control,radio set
  • - Test set,navigation
  • - Oscillator,noncrystal controlled
  • - Coupler,antenna
  • - Generator,signal
  • - Test facilities kit
  • - Test set,radar
  • - Guidance and control section,guided missile
  • - Test set,radio
  • - Receiver,radio
  • - Radar set group
  • - Wind measuring set
  • - Indicator,bearing-distance-heading
  • - Test set,gyro stabi
  • - Unit intercommunica
  • - Amplifier subassembly
  • - Amplifier,power
  • - Decoder assembly
  • - Motor-generator
  • - Generator,signal
  • - Test set,electronic altimeter
  • - Maintenance kit,electronic equipment
  • - Amplifier subassembly
  • - Antenna-receiver-transmitter group,acquisition
  • - Power supply
  • - Amplifier subassembly
  • - Wing assembly,aircraft
  • - Air conditioner
  • - Regulator,voltage
  • - Transmitter-mixer s
  • - Control-power supply group
  • - Chassis assy,power
  • - Power supply
  • - Power suppy,alam
  • - Generator,signal
  • - Diplexer
  • - Generator,signal
  • - Receiver-transmitter,radio
  • - Power supply
  • - Analyzer,spectrum
  • - Test set,radio
  • - Antenna group
  • - Receiver group
  • - Counter,electronic,digital readout
  • - Receiver-transmitter,radio
  • - Door,access,aircraft
  • - Electronic components assembly
  • - Power supply
  • - Terminal,communicat
  • - Receiver subassembly,radio
  • - Relay,electromagnetic
  • - Regulator,bias
  • - Decoder,video
  • - Power supply
  • - Transmitter,radar
  • - Coil assembly
  • - Calorimeter
  • - Relay,electromagnetic
  • - Receiver,radio
  • - Panel assy,front
  • - Circuit card assembly
  • - Amplifier,radio frequency
  • - Maintenance kit,electronic equipment
  • - Beacon set,radio
  • - Central,communications
  • - Control-power supply group
  • - Indicator,standing wave ratio
  • - Control,radio set
  • - Receiver-transmitter,radio
  • - Receiver-transmitter,radio
  • - Maintenance kit,electronic equipment
  • - Generator,signal
  • - Central,communications
  • - Central,communications
  • - Discriminator,electrical frequency
  • - Power supply
  • - Discriminator,loading-phasing
  • - Central,communications
  • - Circuit card assembly
  • - Simulator group
  • - Generator,signal
  • - Central,communications
  • - Capacitor assembly
  • - Maintenance kit,electronic equipment
  • - Amplifier,radio frequency
  • - Circuit card assembly
  • - Power supply
  • - Cylinder assembly,actuating,linear
  • - Adapter,test

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
194120 WASHERS/GASKETS/PCKG DVCS NOI 
UFC (universal freight code)
95100 

Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

5288749-6 / Washer,lockWhat is the formal definition of this item?

A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces