2957F

View detailed technical data, stock status, and sourcing information for: 2957F
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-035-9622

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

threaded external pipe 1st end connection type, flange 2nd end connection type, round with holes 2nd end flange shape, spring disk loading method, inverted flare (pipe) 1st end connection style

Product Characteristics

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

Disk Loading Method: spring
Connection Style: inverted flare (pipe) 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 2nd end
Connection Type: threaded external pipe 1st end
Mounting Facility: bracket
Mounting Position: vertical
Valve Size: 0.375 inches
Face To Face Distance: 3.937 inches
First Connection Face To Centerline Distance: 1.687 inches
Second Connection Face To Centerline Distance: 2.250 inches
Flange Face Design: recessed straight 2nd end
Material: copper alloy 922 body
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:

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2397F	Check Valve
2406F	Check Valve
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2470F	Check Valve
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2730F	Check Valve
2868F	Check Valve
2957F	Check Valve
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S4824F3112536	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-035-9622?

The FSCG of the NSN 4820-00-035-9622 is 4820

Does NSN 4820-00-035-9622 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 4820-00-035-9622 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-035-9622 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 4820-00-035-9622 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963