21522788-1

View detailed technical data, stock status, and sourcing information for: 21522788-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-811-4102

Item Name Code

07623

Assigment Date

01/01/1962 (64 years ago)

0.109 inches nominal major thickness, not casehardened casehardening indicator, rectangular cross-sectional shape style, internal ring style, 4.157 inches nominal outside diameter

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
Casehardening Indicator: not casehardened
Outside Diameter: 4.157 inches nominal
Major Thickness: 0.109 inches nominal
Ring Style: internal
Usage Design: internal
Material Hardness Rating: 45.0 rockwell c minimum and 52.0 rockwell c maximum
Material: steel
Surface Treatment: cadmium and chromate

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-00-205-5066	No Name Available	09/01/1980
5365-00-321-6023	No Name Available	11/01/1991
5365-00-598-4332	No Name Available	02/01/1985

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
21522788-1	Retaining Ring
2730-66	Retaining Ring
2730ALTBPC2730-66	Retaining Ring
3000-X375-ST-CD	Retaining Ring
38114-31	Retaining Ring
MS16625-1375	Retaining Ring
N1300-375CD	Retaining Ring
X1-4100-1494501ALTBPC8	Retaining Ring
XT35790ALTBPC8	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-811-4102?

The FSCG of the NSN 5325-00-811-4102 is 5325

Does the NSN 5325-00-811-4102 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-811-4102 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 5325-00-811-4102 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-811-4102 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 5325-00-811-4102 was assigned to the Federal Catalog?

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