21089 FIND 20

View detailed technical data, stock status, and sourcing information for: 21089 FIND 20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-064-1961

Item Name Code

24327

Assigment Date

08/19/1978 (47 years ago)

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

0.125 inches nominal flange thickness, 0.875 inches nominal overall height, not casehardened casehardening indicator, 0.188 inches nominal mounting hole diameter, 0.445 inches nominal bolt circle diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Casehardening Indicator: not casehardened
Bolt Circle Diameter: 0.445 inches nominal
Flange Thickness: 0.125 inches nominal
Overall Height: 0.875 inches nominal
Mounting Hole Diameter: 0.188 inches nominal
Body Outside Diameter: 0.522 inches nominal
Body Inside Diameter: 0.265 inches nominal
Material: aluminum alloy 6061
Material Document And Classification: qq-a-225/8, alloy 6061, t651 fed spec single material response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625, type 1, class 1 mil spec single treatment response
Style Designator: irregular

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
20402-002FIND25	Helical Compression Spr Retainer
21089 FIND 20	Helical Compression Spr Retainer
21835 FIND 30	Helical Compression Spr Retainer
631B20-1	Helical Compression Spr Retainer
8-52N-587	Helical Compression Spr Retainer

FAQs

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

What is the FSCG of the NSN 5340-01-064-1961?

The FSCG of the NSN 5340-01-064-1961 is 5340

Does NSN 5340-01-064-1961 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 5340-01-064-1961 contain precious materials?

Precious metal content is unknown

Does NSN 5340-01-064-1961 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-064-1961 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Aug 19, 1978