4820-01-421-9724

Find complete technical information, availability, and procurement data for: 4820-01-421-9724
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-9724

Item Name Code

32528

Assigment Date

11/17/1995 (30 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

stop-check valve type for which designed, seawolf class ssn end item identification, 0.901 inches nominal largest outside diameter, 6.656 inches nominal overall length, threaded features provided

Product Characteristics

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

Overall Length: 6.656 inches nominal
End Item Identification: seawolf class ssn
Largest Outside Diameter: 0.901 inches nominal
Valve Type For Which Designed: stop-check
Features Provided: threaded
Valve Size For Which Designed: 1.000 inches
Stem Actuating End Type: threaded externally
Special Features: also includes 1 kel-f disk seal
Material: cobalt alloy
Material Document And Classification: mil-c-24252 comp 1 cond ca-7 mil spec single material response
Furnished Items And Quantity: 1 disk and 1 retainer and 1 screw

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
803-6397434-X43XX1 ITEM 77	Fluid Valve Stem
803-6397434-X43XX1-077	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-421-9724?

The FSCG of the NSN 4820-01-421-9724 is 4820

Does the NSN 4820-01-421-9724 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-421-9724 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 4820-01-421-9724 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-9724 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 4820-01-421-9724 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 17, 1995