Safety Relief Valve

Model / MPN: 559A-1M-30 | NSN: 4820-00-014-2696

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.

Product Details

NATO Stock Number

4820-00-014-2696

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand 1st end

Flow Control Device

Stem or disk

Disk Loading Method

Spring

Connection Style

G46b plain (pipe) 1st end

Connection Style

Plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Thread Size

0.125 inches 1st end

Material

Aluminum alloy 2017 body or aluminum alloy 2024 body

Material Specification

Qq-a-225/5, alloy2017, t4 federal specification 1st material response body or qq-a-225/6, alloy2024, t4 federal specification 2nd material response body

Style Designator

C4 straight thru

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

559A Series Parts

Pricing and Availability

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559A-1M-30 Cross Reference

2271439-003
1A030-3
1093438-3