Shouldered Washer NSN 5310-01-317-6440

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: 5310-01-317-6440

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Features and Characteristics

Hole Diameter

2.750 inches

Shoulder Diameter

Between 3.234 inches and 3.250 inches

Outside Diameter

Between 5.824 inches and 5.855 inches

Shoulder Height

0.031 inches

Material Thickness

0.157 inches

Criticality Code Justification

Zzzy

Special Features

Recess located opposite shoulder, 0.062in. Deep, 3.281 in. Dia

Heat Treatment

T-6 solution heat treated, artifically aged

Material

Aluminum alloy 6061

Special Test Features

Special quality control testing

Style Designator

Shouldered

Test Data Document

81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Reference Number Differentiating Characteristics

As differentiated by material which must conform to ships parts control center special quality control provisions and certified free from mercury contamination

FSC

5310 Nuts And Washers

NIIN

013176440

NSN

5310013176440

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

C-106140-2

Cage Code:

94271

Status:

MSDS:

Part Number:

LL-HQ6-3940

Cage Code:

14153

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 7616108000
NAICS: 332722
SITC: 69440
Description: Cotters, cotter-pins, washers and similar articles, of aluminum
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-317-6440

What are the manufacturers of nsn 5310013176440?

Lockheed Martin Corporation (94271)
Defense Logistics Agency (14153)

Does this nsn 5310013176440 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310013176440
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 5310013176440 contain any precious metals?
No precious metal content.

Does nsn 5310013176440 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310013176440?
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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