Finishing Washer NSN 5310-00-493-4021

Item Description

A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.

NSN: 5310-00-493-4021

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Features and Characteristics

Hole Diameter

Between 0.214 inches and 0.234 inches

Outside Diameter

Between 0.532 inches and 0.592 inches

Recess Diameter

Between 0.385 inches and 0.395 inches

Material Thickness

0.016 inches

Recess Angle

Between 99.0 degrees and 101.0 degrees

Material

Steel comp 321

Material Specification

Mil-s-6721 military specification single material response

Style Designator

Finishing

FSC

5310 Nuts And Washers

NIIN

004934021

NSN

5310004934021

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

12K415-7

Cage Code:

81755

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 5310-00-493-4021

What are the manufacturers of nsn 5310004934021?

Lockheed Martin Corporation (81755)

Does this nsn 5310004934021 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310004934021
A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. it may or may not have a flush flange feature.

Does nsn 5310004934021 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310004934021 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310004934021?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

15932

FIIG:

A022B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service