4820-01-057-2079

Find complete technical information, availability, and procurement data for: 4820-01-057-2079
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-057-2079

Item Name Code

05487

Assigment Date

03/09/1978 (48 years ago)

automatic valve operation method, round with holes all ends flange shape, poppet flow control device, 4 all ends bolt hole quantity, 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: poppet
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal or vertical
Valve Size: 1.000 inches
Nominal Outside Diameter: 4.875 inches all ends
Face To Face Distance: 2.500 inches
Nominal Thickness: 2.500 inches all ends
Bolt Hole Nominal Diameter: 0.695 inches all ends
Bolt Circle Nominal Diameter: 3.500 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.250 inches all ends
Raised Face Nominal Diameter: 2.045 inches all ends
Material: steel body
Material: steel comp 303 flow control device
Material: steel comp 303 seat
Material Document And Classification: astm a105,grade 2 assn std single material response 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
113PL1048	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-057-2079?

The FSCG of the NSN 4820-01-057-2079 is 4820

Does the NSN 4820-01-057-2079 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-057-2079 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 4820-01-057-2079 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-057-2079 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 4820-01-057-2079 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Mar 9, 1978