4820-01-121-6309

Find complete technical information, availability, and procurement data for: 4820-01-121-6309
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-121-6309

Item Name Code

05487

Assigment Date

11/06/1981 (44 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.

automatic valve operation method, disk flow control device, unthreaded external tube all ends connection type, plain (tube) all ends connection style, weight disk loading method

Product Characteristics

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

Flow Control Device: disk
Disk Loading Method: weight
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded external tube all ends
Mounting Position: horizontal
Nominal Outside Diameter Tube Accommodated: 1.500 inches all ends
Material: copper alloy overall
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
12-2081-2	Check Valve
15-0371-PC41	Check Valve
B12-2081-2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-121-6309?

The FSCG of the NSN 4820-01-121-6309 is 4820

Does NSN 4820-01-121-6309 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 4820-01-121-6309 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-121-6309 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 4820-01-121-6309 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Nov 6, 1981