National Item Identification Number

01-271-4797
012714797
4820-01-271-4797
4820-01-271-4797

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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91816

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F0228

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Reference Numbers (Part Numbers)

559B2M425
8814650407

Required Categories

MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE
MAX

Required Description

COPPER ALLOY OVERALL
C4 STRAIGHT THRU
SLIDE
600.0 POUNDS PER SQUARE INCH SING