National Item Identification Number

01-370-7809
013707809
4820-01-370-7809
4820-01-370-7809

National Stock Number

Item Name

VALVE,SAFETY RELIEF

Federal Supply Class

4820

Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Commercial and Government Entity Code (Supplier Data)

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57187

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GULTON-STATHAM TRANSDUCERS INC
1644 WHITTIER AVE
COSTA MESA
CA
92627
949-642-2400

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63705

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WALZ AND KRENZER INC
1390 MT READ BLVD
ROCHESTER
NY
14606
203-267-5712

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63705

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WALZ AND KRENZER INC
1390 MT READ BLVD
ROCHESTER
NY
14606
203-267-5712

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Reference Numbers (Part Numbers)

B-22T-3/4 NPS
D-WK-492-A70 ITEM H20
H-20

Required Categories

MATERIAL
MAXIMUM OPERATING PRESSURE
VALVE OPERATION METHOD

Required Description

STEEL BODY
800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
AUTOMATIC