4726K21

View detailed technical data, stock status, and sourcing information for: 4726K21
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-264-5577

Item Name Code

20962

Assigment Date

10/02/1987 (38 years ago)

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

plain,optional end(pipe) all ends connection style, manual valve operation method, 450.0 fahrenheit single response maximum operating temp, threaded internal pipe all ends connection type, right-hand all ends thread direction

Product Characteristics

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

Thread Direction: right-hand all ends
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 2000.0 pounds per square inch 2nd response
Nominal Thread Size: 0.250 inches all ends
Material: steel corrosion resisting body
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
Thread Series Designator: npt all ends

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
261-5749875 REVG EO74	Ball Valve
4726K21	Ball Valve
49355K21	Ball Valve
VMB2-A9-0P-1/4IN	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-264-5577?

The FSCG of the NSN 4820-01-264-5577 is 4820

Does the NSN 4820-01-264-5577 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-264-5577 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 4820-01-264-5577 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-264-5577 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 4820-01-264-5577 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Oct 2, 1987