156357R1

View detailed technical data, stock status, and sourcing information for: 156357R1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-530-4945

Item Name Code

07623

Assigment Date

01/01/1963 (63 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

5.219 inches minimum and 5.281 inches maximum inside diameter, 0.090 inches minimum and 0.093 inches maximum major thickness, rounded corners cross-sectional shape style, 5.281 inches minimum and 5.312 inches maximum outside 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: rounded corners
Inside Diameter: 5.219 inches minimum and 5.281 inches maximum
Casehardening Indicator: not casehardened
Outside Diameter: 5.281 inches minimum and 5.312 inches maximum
Major Thickness: 0.090 inches minimum and 0.093 inches maximum
Ring Style: internal stepped
Usage Design: internal
Material: steel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-593-1083	No Name Available	05/24/1972

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
134383	Retaining Ring
156357R1	Retaining Ring
5325PL0811324	Retaining Ring
72456	Retaining Ring
D72456	Retaining Ring
W4755	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-530-4945?

The FSCG of the NSN 5325-00-530-4945 is 5325

Does the NSN 5325-00-530-4945 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-530-4945 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 5325-00-530-4945 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-530-4945 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 5325-00-530-4945 was assigned to the Federal Catalog?

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