5100-78-S-MD

View detailed technical data, stock status, and sourcing information for: 5100-78-S-MD
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-804-7653

Item Name Code

07623

Assigment Date

01/01/1962 (64 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.

0.712 inches minimum and 0.727 inches maximum inside diameter, rectangular cross-sectional shape style, not casehardened casehardening indicator, 0.040 inches minimum and 0.044 inches maximum major thickness, external ring 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: 0.712 inches minimum and 0.727 inches maximum
Casehardening Indicator: not casehardened
Major Thickness: 0.040 inches minimum and 0.044 inches maximum
Ring Style: external
Usage Design: external
Material Hardness Rating: 66.0 rockwell superficial 30-n minimum and 71.0 rockwell superficial 30-n maximum
Material: steel comp 1066 or steel comp 1069 or steel comp 1070 or steel comp 1072 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 or steel comp 1084 or steel comp 1086 or steel comp 1090
Material Document And Classification: fed std 66 aisi 1066 or 1069 or 1070 or 1072 or 1074 or 1075 or 1078 or 1080 or 1084 or 1086 or 1090 fed std single material response
Surface Treatment: cadmium and chromate or chromate zinc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-00-075-4313	No Name Available	06/01/1996
5365-00-245-0859	No Name Available	06/01/1989
5325-00-281-3603	No Name Available	12/01/2000
5340-00-800-6558	No Name Available	10/31/1966
5365-00-914-8763	No Name Available	02/01/2008
5365-01-013-1278	No Name Available	07/01/1992
5325-01-105-9299	No Name Available	07/01/2007

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
0183-31	Retaining Ring
135615 ITEM 9	Retaining Ring
14A29	Retaining Ring
1883248 ITEM 20	Retaining Ring
23812	Retaining Ring
3100-78	Retaining Ring
3100-78-ST-CD	Retaining Ring
5100-78-S-CD	Retaining Ring
5100-78-S-MD	Retaining Ring
5100-78MD	Retaining Ring
5100-78ZD	Retaining Ring
518-279	Retaining Ring
583381	Retaining Ring
83-63427-01	Retaining Ring
JHP111-57	Retaining Ring
MS16624-1078	Retaining Ring
MS16624-78	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-804-7653?

The FSCG of the NSN 5325-00-804-7653 is 5325

Does the NSN 5325-00-804-7653 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5325-00-804-7653 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 5325-00-804-7653 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-804-7653 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 5325-00-804-7653 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962