4820-01-334-4788

Find complete technical information, availability, and procurement data for: 4820-01-334-4788
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-334-4788

Item Name Code

20962

Assigment Date

02/23/1991 (35 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.

flange all ends connection type, 700.0 pounds per square inch single response maximum operating pressure, 6 all ends bolt hole quantity, manual valve operation method, round with holes all ends flange shape

Product Characteristics

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

Bolt Hole Quantity: 6 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Maximum Operating Pressure: 700.0 pounds per square inch single response
Nominal Outside Diameter: 3.812 inches all ends
Nominal Thickness: 0.688 inches all ends
Bolt Hole Nominal Diameter: 0.531 inches all ends
Bolt Circle Nominal Diameter: 2.688 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Style Designator: straight thru

FAQs

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

What is the FSCG of the NSN 4820-01-334-4788?

The FSCG of the NSN 4820-01-334-4788 is 4820

Does the NSN 4820-01-334-4788 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-01-334-4788 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 4820-01-334-4788 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-334-4788 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 4820-01-334-4788 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Feb 23, 1991