B1-8573400

View detailed technical data, stock status, and sourcing information for: B1-8573400
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-691-1396

Item Name Code

05487

Assigment Date

09/23/2020 (5 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.

0.375 inches all ends nominal thread size, right-hand all ends thread direction, threaded internal pipe all ends connection type, 2-way check valve part name assigned by controlling agency, automatic 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
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 0.375 inches all ends
Part Name Assigned By Controlling Agency: 2-way check valve
Thread Series Designator: npt all ends

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
B1-8573400	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-691-1396?

The FSCG of the NSN 4820-01-691-1396 is 4820

Does NSN 4820-01-691-1396 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 4820-01-691-1396 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-691-1396 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 4820-01-691-1396 was assigned to the Federal Catalog?

It was assigned 5 years ago, on Wed, Sep 23, 2020