SM-B-540959-1

SMB5409591 Lock Washer
Home » Catalog » Nuts & Washers (p. 2063) » Lock Washers (p. 1) » Part Number SM-B-540959-1

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Datasheet. SM-B-540959-1 specification

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

0.102in. and 0.111in. ⁓1/8"

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.

0.188in.

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

0.020in. and 0.026in.

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

steel comp 202 or steel comp 302 or steel comp 304 or steel comp 304l or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 403 or steel comp 440a or steel comp 446

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.

QQ-S-763, cond a fed spec all material responses

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.

passivate

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.

MIL-F-14072, finish E300 mil 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?

1EA

What is the style?

Split helical-right hand

What material is the lock washer made of ?

Steel comp 202 or steel comp 302 or steel comp 304 or steel comp 304l or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 403 or steel comp 440a or steel comp 446

What is the thickness?

0.020 inches minimum and 0.026 inches maximum

What is the outside diameter?

0.188 inches maximum

What is the inside hole diameter?

0.102 inches minimum and 0.111 inches maximum

What is the NSN for SM-B-540959-1?

5310-01-045-2197

How is this classified for shipping?

Schedule B number: 7318210000
nmfc 194160
Spring washers and other lock washers, iron or steel

What's the federal classification of SM-B-540959-1?

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 5310-01-045-2197 WASHER,LOCK

split helical-right hand passivate surface treated 0.020" material thickness 0.188" outside diameter 0.102" hole diameter

NIIN
010452197
NIIN Date
07/29/77
Schedule B
7318210000 
Name Code
14218
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
1 
Historical Price
$0.13 EA
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

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - Brazil 
  • - Malaysia 
  • - New Zealand 
  • - Republic of Korea 
  • - Greece 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
50.0 
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)
194160 WASHER OR GASKETS, IRON OR STEEL, 
UFC (universal freight code)
55210 

Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

SM-B-540959-1 / 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