Concave Washer NSN 5310-01-372-9269

Item Description

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

NSN: 5310-01-372-9269

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Features and Characteristics

Hole Diameter

Between 0.664 inches and 0.674 inches

Radius

Between 0.590 inches and 0.610 inches

Outside Diameter

Between 0.967 inches and 0.977 inches

Material Thickness

Between 0.183 inches and 0.203 inches

Hardness Rating

Between 40.0 rockwell c and 46.0 rockwell c

Surface Finish

32.0 microinches counterbore face

Special Features

Radius offset 0.572 in.Min 0.582 in.Max; washer style: no.37;

Material

Steel comp 4130 or steel comp 8740

Material Specification

Mil-s-6758 military specification 1st material response or mil-s-18729 military specification 1st material response or mil-s-6049 military specification 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

FSC

5310 Nuts And Washers

NIIN

013729269

NSN

5310013729269

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M45595/7-06

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-W-45595/7

Cage Code:

81349

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 5310-01-372-9269

What are the manufacturers of nsn 5310013729269?

Military Specifications (81349)

Does this nsn 5310013729269 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310013729269
A washer which is round with a centrally located hole. one bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. see also washer (1), convex. excludes washer (1), recessed and bearing, washer, thrust.

Does nsn 5310013729269 contain any precious metals?
No precious metal content.

Does nsn 5310013729269 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310013729269?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

15930

FIIG:

A022B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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