MS21043-6

MS210436 Self-locking Extended Washer Nut

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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. MS21043-6 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3b

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

prevailing torque all metal design

Washer Outside Diameter

0.620in.

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

0.375in. nut and 0.405in. nut

Lubrication
A substance designed to provide a reduction of friction between the two surfaces in contact.

soluble lubricant

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

0.267in. and 0.282in.

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

hexagon

Washer Thickness

0.030in.

Nut Counterbore Depth
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.

0.008in. nut and 0.042in. nut

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.430in. and 0.440in. ⁓29/64"

Temp Rating
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

800.0 deg fahrenheit

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

unjf

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

24

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.375in. ⁓3/8"

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

iron alloy 660

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 5525 assn std single material response or ams 5731 assn std single material response or ams 5732 assn std single material response

Precious Material And Location
An indication of the precious material and its location in the item.

external surface silver

Precious Material
Identification of the precious material contained in the item.

silver

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.

silver

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-S-365 fed spec single treatment response or ams 2410 assn std single treatment response

Answers.

What material is the self-locking extended washer nut made of ?

Iron alloy 660

What is the thread quantity per inch?

24

What is the thread direction?

Right-hand

What is the thread class?

3b

What is the NSN for MS21043-6?

5310-00-881-0943

How is this classified for shipping?

Schedule B number: 7318160000
nmfc 093486
Nuts of iron or steel

What's the federal classification of MS21043-6?

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 5310-00-881-0943 NUT,SELF-LOCKING,EXTENDED WASHER

silver surface treated 24 thread quantity per inch right-hand 3b thread class

NIIN
008810943
NIIN Date
01/01/62
Schedule B
7318160000 
Name Code
29730
FIIG
A021A0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$3.98 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
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. NAS1291C6 Cage D9182
2. LH3858-064 Cage 019L2
3. FN1014-624 Cage 56878
4. 2627596 Cage 06848
5. T99C624 Cage 11815
6. HH1-6 Cage 75237
7. T99C624 Cage 71087
8. LH3858-064 Cage 72962
9. T99C624 Cage 05693
10. 5310008810943 Cage SCY13
11. 10121791 Cage A486G

Major End Users Countries and entities

  • - National Aeronautics And Space Administration 
  • - 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 
  • - Finland 
  • - Lithuania 
  • - Poland 
  • - Romania 
  • - Slovakia 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Morocco 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Philippines 
  • - Netherlands 
  • - Portugal 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

Major End Items End use applications

  • - Close in weapon system (ciws-phalanx)
  • - Support equipment, b-1 aircraft
  • - Aircraft, sof ( ac-130h, mc-130h, ec-130e, hc-130)
  • - Trainer, b-1b aircraft
  • - Engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p)
  • - Engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h)
  • - Engine, aircraft, f-108 (cfm-56, kc-135a)
  • - Missile, all-weather anti-ship, harpoon (agm-84)
  • - Engine, aircraft, t56-a-7/15 (c-130b/e/h/n/p)
  • - Ah 64 airframe (rotary wing aircraft)
  • - Gearbox,accessory drive,turbine engine
  • - Starter,engine,air turbine
  • - Parts kit,aircraft engine build-up
  • - Pump,fuel,metering and distributing
  • - Tie down,aircraft mooring
  • - Door,aircraft
  • - Helicopter,attack
  • - Helicopter,attack
  • - Absorber,radio frequency radiation
  • - Helicopter,attack
  • - Helicopter,attack
  • - Helicopter,attack
  • - Generator,alternating current
  • - Pump,rotary
  • - Mirror,optical instrument
  • - Fixture,engine maintenance,aircraft
  • - Toilet,aircraft
  • - Fixture,engine maintenance,aircraft
  • - Fan,centrifugal
  • - Adapter,test
  • - Fixture,aircraft maintenance
  • - Pump,fuel,jet engine
  • - Adapter kit,test
  • - Pump,fuel,jet engine
  • - Gearbox,accessory drive,turbine engine
  • - Link assy,crankshaf
  • - Converter,signal data
  • - Slider,special
  • - Adapter,hoisting
  • - Heater,aircraft
  • - Truck,hand
  • - Roller,material handling
  • - Valve assembly,hydraulic,aircraft
  • - Tie down,cargo,aircraft
  • - Drag brace,landing gear
  • - Stator,engine generator
  • - Panel,structural,aircraft
  • - Test set,electronic circuit plug-in unit
  • - Gearbox,accessory drive,turbine engine
  • - Generator-transmission,constant speed control
  • - Helicopter,attack
  • - Caster,rigid
  • - Panel,structural,aircraft
  • - Drive unit,air turbine
  • - Drive,constant speed,hydraulic
  • - Drag brace,landing gear
  • - Door,aircraft
  • - Door,aircraft
  • - Drive,constant speed,hydraulic
  • - Simulator,radar signal
  • - Parts kit,aircraft engine build-up
  • - Valve,regulating,temperature
  • - Helicopter,attack
  • - Drive,constant speed,hydraulic
  • - Rotor,generator
  • - Truck,guided missile equipment
  • - Carrier,air-antitank defense missile system
  • - Carrier,air-antitank defense missile system
  • - Parts kit,aircraft engine build-up
  • - Helicopter,attack
  • - Radiac set
  • - Carrier,air-antitank defense missile system
  • - Helicopter,attack
  • - Carrier,air-antitank defense missile system
  • - Parts kit,aircraft engine build-up
  • - Circuit card assembly
  • - Gearbox,accessory drive,turbine engine
  • - Starter-generator,engine,aircraft
  • - Gearbox,accessory drive,turbine engine
  • - Door,aircraft
  • - Door,aircraft
  • - Generator,alternating current
  • - Door,aircraft
  • - Stator,generator
  • - Servomechanism,hydraulic/pneumatic,aircraft
  • - Shelter,nonexpandable
  • - Adapter,synchro
  • - Gearbox,accessory drive,turbine engine
  • - Adapter,hoisting
  • - Fixture,engine maintenance,aircraft
  • - Plate,mounting
  • - Stand,maintenance,aircraft wheel
  • - Adapter,ground handling equipment
  • - Pump unit,rotary
  • - Engine,gas turbine,nonaircraft
  • - Base,antenna support
  • - Maintenance kit,aircraft
  • - Drive,constant speed,hydraulic
  • - Gearbox,accessory drive,turbine engine
  • - Fixture,aircraft maintenance
  • - Helicopter,attack
  • - Gearbox,accessory drive,turbine engine
  • - Manifold,hydraulic system accessories
  • - Pin,trunnion
  • - Pump,fuel,metering and distributing
  • - Drive unit,angle
  • - Starter,engine,air turbine
  • - Drive,constant speed,hydraulic
  • - Nozzle assembly,tes
  • - Starter,engine,air turbine
  • - Parts kit,aircraft engine build-up
  • - Gearbox,accessory drive,turbine engine
  • - Servocylinder
  • - Parts kit,aircraft engine build-up
  • - Door,aircraft
  • - Helicopter,attack
  • - Helicopter,attack
  • - Parts kit,aircraft engine build-up
  • - Parts kit,aircraft engine build-up
  • - Helicopter,attack

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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)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

MS21043-6 / Nut,self-locking,extended washerWhat is the formal definition of this item?

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. an integral feature is incorporated for locking on the threads of a mating member.