6748072-56

View detailed technical data, stock status, and sourcing information for: 6748072-56
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-527-1988

Item Name Code

07623

Assigment Date

01/01/1961 (65 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, 0.504 inches nominal inside diameter, 0.594 inches nominal outside diameter, 0.024 inches nominal major thickness, rounded corners 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: rounded corners
Inside Diameter: 0.504 inches nominal
Casehardening Indicator: not casehardened
Outside Diameter: 0.594 inches nominal
Major Thickness: 0.024 inches nominal
Ring Style: special flat
Usage Design: internal
Material Hardness Rating: 59.9 rockwell superficial 30-n minimum and 67.2 rockwell superficial 30-n maximum
Strength Rating: 185000.0 pounds per square inch minimum tensile
Criticality Code Justification: feat
Special Features: this part meets the y requirements due to critical features, tolerances, fit restrictions, material properties and manufacturing process. failure could result in loss or substantial damage to weapon system, death or serious injury
Material: steel comp 302
Material Document And Classification: aisi 302 assn std single material response

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-531-9641	No Name Available	03/13/1967
5365-00-841-0936	No Name Available	03/01/1979

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
3009080	Retaining Ring
400364	Retaining Ring
6748072-56	Retaining Ring
69983S56	Retaining Ring
RR-56-S	Retaining Ring
WH-56-S02	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-527-1988?

The FSCG of the NSN 5325-00-527-1988 is 5325

Does the NSN 5325-00-527-1988 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-527-1988 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 5325-00-527-1988 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-527-1988 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 5325-00-527-1988 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961