S21921

View detailed technical data, stock status, and sourcing information for: S21921
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part S21921 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-073-3182

Item Name Code

32528

Assigment Date

07/25/1967 (58 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

0.683 inches nominal largest outside diameter, 14.500 inches nominal overall length

Product Characteristics

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

Overall Length: 14.500 inches nominal
Largest Outside Diameter: 0.683 inches nominal

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
S21921	Fluid Valve Stem
SA21921	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-00-073-3182?

The FSCG of the NSN 4820-00-073-3182 is 4820

Does the NSN 4820-00-073-3182 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-073-3182 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 4820-00-073-3182 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-073-3182 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 4820-00-073-3182 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Tue, Jul 25, 1967