4820-01-056-9457

Find complete technical information, availability, and procurement data for: 4820-01-056-9457
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-056-9457

Item Name Code

05487

Assigment Date

03/03/1978 (48 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.

flange 1st end connection type, round 1st end flange shape, automatic valve operation method, disk flow control device, spring 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: spring
Valve Operation Method: automatic
Flange Shape: round 1st end
Connection Type: flange 1st end
Mounting Position: horizontal
Valve Size: 1.375 inches
Nominal Outside Diameter: 1.570 inches 1st end
Face To Face Distance: 1.312 inches
Nominal Thickness: 0.065 inches 1st end
Flange Face Design: raised straight 1st end
Raised Face Nominal Height: 0.437 inches 1st end
Raised Face Nominal Diameter: 1.570 inches 1st end
Material: copper alloy body
Style Designator: straight thru flanged 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
BPF-8100	Check Valve
PF-8100	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-056-9457?

The FSCG of the NSN 4820-01-056-9457 is 4820

Does NSN 4820-01-056-9457 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 4820-01-056-9457 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-056-9457 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 4820-01-056-9457 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 3, 1978