4820-01-289-8281

Find complete technical information, availability, and procurement data for: 4820-01-289-8281
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-289-8281

Item Name Code

20962

Assigment Date

12/01/1988 (37 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.

manual valve operation method, 1.500 inches all ends nominal pipe size accommodated, socket all ends connection style, unthreaded internal pipe all ends connection type, 450.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.500 inches all ends
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: plastic polytetrafluoroethylene seat
Material: steel body
Material: steel comp 316 stem
Material: steel flow control device
Media For Which Designed: air 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru

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
SP-E-16-SW-2	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-289-8281?

The FSCG of the NSN 4820-01-289-8281 is 4820

Does the NSN 4820-01-289-8281 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-289-8281 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 4820-01-289-8281 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-289-8281 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 4820-01-289-8281 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Dec 1, 1988