Shouldered Washer NSN 5310-01-205-5923

Item Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN: 5310-01-205-5923

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Features and Characteristics

Hole Diameter

Between 2.156 inches and 2.158 inches

Shoulder Diameter

Between 2.330 inches and 2.350 inches

Outside Diameter

Between 2.500 inches and 2.520 inches

Shoulder Height

Between 0.320 inches and 0.350 inches

Material Thickness

Between 0.080 inches and 0.100 inches

Hardness Rating

Between 28.0 rockwell c and 34.0 rockwell c

Surface Finish

63.0 microinches top

Material

Steel comp 4130 or steel comp 4140 or steel comp 4340

Material Specification

Astm a322 assn standard all material responses or ams 6414 assn standard 3rd material response or ams 6415 assn standard 3rd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 1 federal specification single treatment response

Style Designator

Shouldered

FSC

5310 Nuts And Washers

NIIN

012055923

NSN

5310012055923

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3860370-1

Cage Code:

99193

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 7318220000
NAICS: 332722
SITC: 69422
Description: Washers other than lock washers, iron or steel
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-205-5923

What are the manufacturers of nsn 5310012055923?

Honeywell International Inc. (99193)

Does this nsn 5310012055923 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310012055923
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.

Does nsn 5310012055923 contain any precious metals?
No precious metal content.

Does nsn 5310012055923 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310012055923?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

15934

FIIG:

A022B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
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