M27426-3215B

View detailed technical data, stock status, and sourcing information for: M27426-3215B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-200-5217

Item Name Code

07623

Assigment Date

01/01/1963 (63 years ago)

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

0.074 inches nominal major thickness, 4.936 inches nominal inside diameter, double oval cross-sectional shape style, 5.436 inches nominal outside 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: 4.936 inches nominal
Casehardening Indicator: not casehardened
Outside Diameter: 5.436 inches nominal
Major Thickness: 0.074 inches nominal
Ring Style: special flat
Usage Design: internal
Material: steel
Material Document And Classification: sae 1070 to 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Below is a list of NSNs that have been officially superseded by this NSN: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
5365-01-223-7221	No Name Available	07/01/1996

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
M27426-3215B	Retaining Ring
MIL-R-27426	Retaining Ring
RR525C	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-200-5217?

The FSCG of the NSN 5325-00-200-5217 is 5325

Does the NSN 5325-00-200-5217 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-200-5217 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 5325-00-200-5217 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-200-5217 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 5325-00-200-5217 was assigned to the Federal Catalog?

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