Concave Washer NSN 5310-00-622-8638

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: 5310-00-622-8638

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Features and Characteristics

Hole Diameter

Between 0.340 inches and 0.344 inches

Radius

0.260 inches

Outside Diameter

Between 0.465 inches and 0.475 inches

Recess Depth

Between 0.060 inches and 0.090 inches

Material Thickness

Between 0.140 inches and 0.150 inches

Min. Tensile Strength (psi)

120000 pounds per square inch

Material

Steel

Material Specification

Ams 5643 assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

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

Style Designator

Concave

FSC

5310 Nuts And Washers

NIIN

006228638

NSN

5310006228638

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3M297P4

Cage Code:

76301

Status:

MSDS:

Part Number:

3M297-4

Cage Code:

76301

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 5310-00-622-8638

What are the manufacturers of nsn 5310006228638?

Boeing Company, The (76301)

Does this nsn 5310006228638 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310006228638
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 5310006228638 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310006228638 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310006228638?
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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