RR243C

View detailed technical data, stock status, and sourcing information for: RR243C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-664-5386

Item Name Code

07623

Assigment Date

01/01/1963 (63 years ago)

2.543 inches nominal outside diameter, 0.048 inches nominal major thickness, double oval cross-sectional shape style, 2.251 inches nominal inside 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: double oval
Inside Diameter: 2.251 inches nominal
Casehardening Indicator: not casehardened
Outside Diameter: 2.543 inches nominal
Major Thickness: 0.048 inches nominal
Ring Style: special flat
Usage Design: internal
Material Hardness Rating: 65.0 rockwell superficial 30-n minimum and 68.0 rockwell superficial 30-n maximum
Strength Rating: 211000.0 pounds per square inch minimum tensile
Material: steel
Material Document And Classification: sae 1070-1090 assn std single material response
Surface Treatment: cadmium

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-00-514-1305	No Name Available	09/01/1996

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
626-001-9176	Retaining Ring
M2742630158B	Retaining Ring
RR243C	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-664-5386?

The FSCG of the NSN 5325-00-664-5386 is 5325

Does the NSN 5325-00-664-5386 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-664-5386 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 5325-00-664-5386 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-664-5386 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 5325-00-664-5386 was assigned to the Federal Catalog?

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