Concave Washer NSN 5310-00-975-2741

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: 5310-00-975-2741

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Features and Characteristics

Hole Diameter

Between 0.435 inches and 0.445 inches

Radius

Between 0.385 inches and 0.415 inches

Outside Diameter

0.640 inches

Recess Diameter

0.620 inches

Material Thickness

Between 0.105 inches and 0.135 inches

Hardness Rating

Between 41.0 rockwell c and 48.0 rockwell c

Material

Steel

Material Specification

Ams 6304 assn standard single material response

Surface Treatment

Nickel and zinc

Surface Treatment Specification

Ams 2417 assn standard 1st treatment response and ams 2417 assn standard 2nd treatment response

Style Designator

Concave

Specification Data

80205-nas1288 professional/industrial association standard

FSC

5310 Nuts And Washers

NIIN

009752741

NSN

5310009752741

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

NAS1288-6W

Cage Code:

80205

Status:

MSDS:

Part Number:

4084-06

Cage Code:

019L2

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 5310-00-975-2741

What are the manufacturers of nsn 5310009752741?

Does this nsn 5310009752741 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310009752741
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 5310009752741 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310009752741 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310009752741?
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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