Concave Washer NSN 5310-00-492-3037

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: 5310-00-492-3037

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Features and Characteristics

Hole Diameter

Between 0.580 inches and 0.590 inches

Radius

Between 0.515 inches and 0.535 inches

Outside Diameter

Between 0.854 inches and 0.864 inches

Recess Diameter

Between 1.070 inches and 1.130 inches

Material Thickness

Between 0.157 inches and 0.177 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 4130 or steel comp 8740 or steel comp 4140 or steel comp 4142 or steel comp 4145

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 or astm a193, gr b7 assn standard 3rd material response or astm a193, gr b7 assn standard 4th material response or astm a193, gr b7 assn standard 5th material response or astm a193, gr b7 assn standard 6th material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification single treatment response or mil-c-8837, type 2, cl 2 military specification single treatment response

Style Designator

Concave

FSC

5310 Nuts And Washers

NIIN

004923037

NSN

5310004923037

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

LS10095-7CC

Cage Code:

98897

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 5310-00-492-3037

What are the manufacturers of nsn 5310004923037?

Lockheed Martin Corporation (98897)

Does this nsn 5310004923037 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310004923037
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 5310004923037 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310004923037 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310004923037?
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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