RS81

View detailed technical data, stock status, and sourcing information for: RS81
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-663-3857

Item Name Code

07623

Assigment Date

01/01/1963 (63 years ago)

0.771 inches nominal inside diameter, 0.901 inches nominal outside diameter, not casehardened casehardening indicator, double oval cross-sectional shape style, 0.030 inches nominal major 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: double oval
Inside Diameter: 0.771 inches nominal
Casehardening Indicator: not casehardened
Outside Diameter: 0.901 inches nominal
Major Thickness: 0.030 inches nominal
Ring Style: spiral
Usage Design: external
Material Hardness Rating: 64.0 rockwell superficial 30-n minimum and 69.0 rockwell superficial 30-n maximum
Strength Rating: 211000.0 pounds per square inch minimum tensile
Material: steel
Material Document And Classification: sae 1070 to 1080 assn std single material response

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
RS81	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-663-3857?

The FSCG of the NSN 5325-00-663-3857 is 5325

Does the NSN 5325-00-663-3857 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-663-3857 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 5325-00-663-3857 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-663-3857 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 5325-00-663-3857 was assigned to the Federal Catalog?

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