5101-12-S-MD

View detailed technical data, stock status, and sourcing information for: 5101-12-S-MD
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-663-2379

Item Name Code

07623

Assigment Date

01/01/1960 (66 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.

not casehardened casehardening indicator, external bowed ring style, 0.035 inches nominal major thickness, 0.621 inches nominal inside diameter, rectangular cross-sectional shape style

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
Inside Diameter: 0.621 inches nominal
Casehardening Indicator: not casehardened
Major Thickness: 0.035 inches nominal
Ring Style: external bowed
Usage Design: external
Material Hardness Rating: 66.0 rockwell superficial 30-n minimum and 71.0 rockwell superficial 30-n maximum
End Play Takeup: 0.020 inches maximum
Material: steel
Material Document And Classification: fed std 66 class fs 1066 to 1090 fed std single material response
Surface Treatment: cadmium and chromate
Nondefinitive Spec/Std Data: ms16628-1066 reference number

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5325-00-598-1308	No Name Available	06/01/2006

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
3101-66-ST-CD	Retaining Ring
5101-12-S-MD	Retaining Ring
5101-66MD	Retaining Ring
77196-03	Retaining Ring
CL21A7591-186	Retaining Ring
MIL-R-21248 TY 11 CL 2	Retaining Ring
MS16628-1066	Retaining Ring
MS16628-66	Retaining Ring
N1401-66AS	Retaining Ring
N1401-66CD	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-663-2379?

The FSCG of the NSN 5325-00-663-2379 is 5325

Does the NSN 5325-00-663-2379 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-663-2379 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 5325-00-663-2379 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-663-2379 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 5325-00-663-2379 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960