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5310-01-421-1982

Flat Washer

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Featured Parts

A3157522-001
5340-01-353-9937
Mounting Plate
A3157525-001
5305-01-232-6728
Setscrew
A3157528-1
5340-01-347-8730
Mounting Bracket
A3157529
5340-01-347-8730
Mounting Bracket
A3157613
5940-01-365-5429
Quick Disconnect Terminal
A3157617
5365-01-374-1194
Tapered Spacer
A3157672
5940-01-359-0890
Electrical Binding Post
A3157688
9905-01-449-1105
Identification Plate

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Official Item Classification

Name
Flat Washer
(NSN) National Stock Number
5310-01-421-1982
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
13393
(FIIG) Federal Item Identification Guide
A022B0
Date
11/03/1995 (30 years ago)

0.300 inches minimum and 0.320 inches maximum hole diameter, rectangular cross-sectional shape style, round peripheral shape style, 0.075 inches minimum and 0.095 inches maximum thickness, round center hole shape style

Specs & Compatibility

Cross-Sectional Shape Style

rectangular

Hole Diameter

0.300 inches minimum and 0.320 inches maximum

Peripheral Shape Style

round

Center Hole Shape Style

round

Thickness

0.075 inches minimum and 0.095 inches maximum

Overall Diameter

0.830 inches minimum and 0.850 inches maximum

Hardness Rating

38.0 rockwell c minimum and 45.0 rockwell c maximum

Material

steel comp 1050 or steel comp 1053 or steel comp 1055 or steel comp 1060 or steel comp 1064 or steel comp 1065 or steel comp 1069 or steel comp 1070 overall

Material Document And Classification

sae j403 assn std all material responses overall

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0013393

Related Hardware Products

Part Number Description
29516463 Flat Washer
5HD846 Flat Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-421-1982?
The FSCG of the NSN 5310-01-421-1982 is 5310
Does the NSN 5310-01-421-1982 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-421-1982 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-01-421-1982 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-421-1982 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-01-421-1982 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Fri, Nov 3, 1995