Lock Washer NSN 5310-00-551-7881

Item Description

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

NSN: 5310-00-551-7881

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Features and Characteristics

Hole Diameter

Between 0.255 inches and 0.267 inches

Outside Diameter

0.444 inches

Material Thickness

0.062 inches

Hardness Rating

Between 35.0 rockwell c and 43.0 rockwell c

Material

Steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 385 or steel comp 302 or steel comp 384

Material Specification

66 federal standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Split helical-right hand

Nondefinitive Specification/std Data

C class and 2 style

Departure From Cited Designator

As modified by od

FSC

5310 Nuts And Washers

NIIN

005517881

NSN

5310005517881

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

FFW92CLASSCSTYLE2

Cage Code:

81348

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318210000
NAICS: 332722
SITC: 69422
Description: Spring washers and other lock washers, iron or steel
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-551-7881

What are the manufacturers of nsn 5310005517881?

Federal Specifications (81348)

Does this nsn 5310005517881 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310005517881
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

Does nsn 5310005517881 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310005517881 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310005517881?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

14218

FIIG:

A022B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
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