73A4

View detailed technical data, stock status, and sourcing information for: 73A4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-187-8595

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

0.255 inches minimum and 0.265 inches maximum outside diameter, copper alloy overall material, flat internal teeth style designator, 0.115 inches minimum and 0.123 inches maximum hole diameter, 0.016 inches nominal material thickness

Product Characteristics

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

Hole Diameter: 0.115 inches minimum and 0.123 inches maximum
Outside Diameter: 0.255 inches minimum and 0.265 inches maximum
Material Thickness: 0.016 inches nominal
Material: copper alloy overall
Style Designator: flat internal teeth

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
73A4	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-187-8595?

The FSCG of the NSN 5310-00-187-8595 is 5310

Does the NSN 5310-00-187-8595 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-187-8595 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 5310-00-187-8595 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-187-8595 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 5310-00-187-8595 was assigned to the Federal Catalog?

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