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4820-01-252-4457

Gate Valve

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Official Item Classification

Name
Gate Valve
(NSN) National Stock Number
4820-01-252-4457
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05482
(FIIG) Federal Item Identification Guide
A500A0
Date
04/03/1987 (39 years ago)

union bonnet attachment method, inside screw bonnet type, 150.0 pounds per square inch steam and 300.0 pounds per square inch water-oil-gas maximum operating pressure and media for which designed, manual valve operation method, threaded internal pipe connection type

Specs & Compatibility

Bonnet Type

inside screw

Bonnet Attachment Method

union

Valve Operation Method

manual

Connection Type

threaded internal pipe

Maximum Operating Pressure And Media For Which Designed

150.0 pounds per square inch steam and 300.0 pounds per square inch water-oil-gas

Stem Type

rising

Maximum Operating Temp And Media For Which Designed

406.0 fahrenheit steam and 150.0 fahrenheit water-oil-gas

Inlet Relationship With Outlet

identical

Pressure Class

150.0 pounds

Material

copper alloy 694 stem

Material

copper alloy 836 body

Material

copper alloy 836 seat

Material

copper alloy 836 disk

Material Document And Classification

astm b-371 alloy 694 assn std single material response stem

Material Document And Classification

astm b-62 assn std single material response body

Material Document And Classification

astm b-62 assn std single material response disk

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005482

Related Hardware Products

Part Number Description
B121 Gate Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-252-4457?
The FSCG of the NSN 4820-01-252-4457 is 4820
Does NSN 4820-01-252-4457 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 4820-01-252-4457 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-252-4457 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 4820-01-252-4457 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Fri, Apr 3, 1987