5310-01-421-2005

Find complete technical information, availability, and procurement data for: 5310-01-421-2005
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-421-2005

Item Name Code

14218

Assigment Date

11/03/1995 (30 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

0.382 inches minimum and 0.393 inches maximum hole diameter, astm a581 assn std single material response overall material document and classification, 0.010 inches nominal material thickness, steel comp 303 overall material, 0.683 inches maximum outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.382 inches minimum and 0.393 inches maximum
Outside Diameter: 0.683 inches maximum
Material Thickness: 0.010 inches nominal
Material: steel comp 303 overall
Material Document And Classification: astm a581 assn std single material response overall
Style Designator: split helical-right hand

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
A3210100-2	Lock Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-421-2005?

The FSCG of the NSN 5310-01-421-2005 is 5310

Does the NSN 5310-01-421-2005 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-421-2005 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 5310-01-421-2005 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-421-2005 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 5310-01-421-2005 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995