2108A

View detailed technical data, stock status, and sourcing information for: 2108A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-281-3342

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

0.562 inches minimum and 0.566 inches maximum hole diameter, round peripheral shape style, rectangular cross-sectional shape style, round center hole shape style, 0.081 inches minimum and 0.085 inches maximum thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.562 inches minimum and 0.566 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.081 inches minimum and 0.085 inches maximum
Overall Diameter: 0.748 inches minimum and 0.759 inches maximum
Material: copper overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2910-00-175-4429	No Name Available	04/01/1976
5310-00-194-0897	Flat Washer	07/01/2025
5310-00-256-7050	No Name Available	02/01/1983
5330-00-364-2808	No Name Available	01/01/1963
5330-00-563-4284	No Name Available	05/01/1986
2910-00-609-8819	No Name Available	04/01/1976
5310-00-695-3112	No Name Available	10/07/1968
2910-00-860-7844	No Name Available	08/12/1973

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
2108A	Flat Washer
CEA2108A	Flat Washer
T5204S	Flat Washer
WMR 2041/7X	Flat Washer
WMR2041-7X	Flat Washer
WMR20417X	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-281-3342?

The FSCG of the NSN 5310-00-281-3342 is 5310

Does the NSN 5310-00-281-3342 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-281-3342 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 5310-00-281-3342 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-281-3342 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 5310-00-281-3342 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963