4820-01-288-5783

Find complete technical information, availability, and procurement data for: 4820-01-288-5783
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-288-5783

Item Name Code

20962

Assigment Date

11/10/1988 (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.

threaded internal pipe all ends connection type, plain,optional end(pipe) all ends connection style, right-hand all ends thread direction, packing retaining bonnet type, manual valve operation method

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
Bonnet Type: packing retaining
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 400.0 pounds per square inch 2nd response
Nominal Thread Size: 1.000 inches all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Material: plastic polyurethane seat
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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-484-5751	No Name Available	01/01/1992

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
8701-1 INCH	Ball Valve
8701-1INCH	Ball Valve
8701000100	Ball Valve
BRASS 1INIPS125LB 400WOG	Ball Valve
M502BRTBR1	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-288-5783?

The FSCG of the NSN 4820-01-288-5783 is 4820

Does NSN 4820-01-288-5783 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 4820-01-288-5783 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-288-5783 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 4820-01-288-5783 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Nov 10, 1988