4820-01-458-7256

Find complete technical information, availability, and procurement data for: 4820-01-458-7256
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-458-7256

Item Name Code

05482

Assigment Date

09/08/1998 (27 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

inlet and outlet connections are socket weld unions;intern. bore .677 in. min.;design press. 400;design temp. 150;hydrostatic test press. shell 600 and seat 400;length of body 4 7/8 inches;handwheel 2 3/4 inches and handwheel to ctr of body 4 3/8 inches special features, copper alloy body material, 0.500 inches valve size, nickel alloy stem material, "1/2" bronze union end gate valve" end item identification

Product Characteristics

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

End Item Identification: "1/2" bronze union end gate valve"
Valve Size: 0.500 inches
Special Features: inlet and outlet connections are socket weld unions;intern. bore .677 in. min.;design press. 400;design temp. 150;hydrostatic test press. shell 600 and seat 400;length of body 4 7/8 inches;handwheel 2 3/4 inches and handwheel to ctr of body 4 3/8 inches
Material: copper alloy body
Material: nickel alloy stem
Material Document And Classification: astm-b164 assn std single material response stem
Material Document And Classification: astm-b61 assn std single material response body

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
1146-081-D-0001	Gate Valve
1146-081S .50IPS	Gate Valve
1146-081S-12	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-01-458-7256?

The FSCG of the NSN 4820-01-458-7256 is 4820

Does NSN 4820-01-458-7256 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 4820-01-458-7256 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-458-7256 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 4820-01-458-7256 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Tue, Sep 8, 1998