Lock Washer NSN 5310-00-043-1680

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: 5310-00-043-1680

Stock Availability

NSN 5310000431680 availability
(as of 03/10/2023).

NS: 2720
NE: 7556
OH: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Related NSN

Features and Characteristics

Hole Diameter

Between 0.194 inches and 0.205 inches

Outside Diameter

0.337 inches

Material Thickness

0.047 inches

Hardness Rating

Between 45.0 rockwell c and 53.0 rockwell c

Heat Treatment

Quenched and tempered

Material

Steel comp 1060 or steel comp 1064 or steel comp 1065 or steel comp 1566 or steel comp 1069 or steel comp 1070 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080

Material Specification

66 federal standard all material responses

Surface Treatment

Zinc and chromate

Surface Treatment Specification

Astm b633, type 2, cl 3 assn standard single treatment response

Style Designator

Split helical-right hand

Nondefinitive Specification/std Data

A class and 2 style

FSC

5310 Nuts And Washers

NIIN

000431680

NSN

5310000431680

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

376-01149 ITEM 82

Cage Code:

66935

Status:

MSDS:

Part Number:

021-08292

Cage Code:

66935

Status:

MSDS:

Part Number:

MS51415-3

Cage Code:

96906

Status:

MSDS:

Part Number:

FF-W-84

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 5310-00-043-1680

What are the manufacturers of nsn 5310000431680?

Does this nsn 5310000431680 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310000431680
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 5310000431680 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310000431680 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310000431680?
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
Quality Inspected Parts
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