CL21A7591-166

View detailed technical data, stock status, and sourcing information for: CL21A7591-166
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-252-7783

Item Name Code

07623

Assigment Date

01/01/1963 (63 years ago)

0.056 inches minimum and 0.062 inches maximum major thickness, 4.497 inches minimum and 4.517 inches maximum outside diameter, double oval cross-sectional shape style, 4.041 inches minimum and 4.061 inches maximum inside diameter, not casehardened casehardening indicator

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: 4.041 inches minimum and 4.061 inches maximum
Casehardening Indicator: not casehardened
Outside Diameter: 4.497 inches minimum and 4.517 inches maximum
Major Thickness: 0.056 inches minimum and 0.062 inches maximum
Ring Style: spiral
Usage Design: internal
Material Hardness Rating: 65.0 rockwell superficial 30-n minimum and 68.0 rockwell superficial 30-n maximum
Strength Rating: 235000.0 pounds per square inch minimum tensile
Material: steel
Material Document And Classification: sae 1080 to 1090 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
327B436P6	Retaining Ring
626-001-9297	Retaining Ring
CL21A7591-166	Retaining Ring
R433	Retaining Ring
RR433	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-252-7783?

The FSCG of the NSN 5325-00-252-7783 is 5325

Does the NSN 5325-00-252-7783 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-252-7783 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 5325-00-252-7783 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-252-7783 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 5325-00-252-7783 was assigned to the Federal Catalog?

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