Safety Relief Valve

Model / MPN: MC7543-1 | NSN: 4820-00-034-5877

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

4820-00-034-5877

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Connection Style

G42 flared (tube) 1st end

Connection Style

Flared (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Thready Qty Per Inch (tpi)

20 1st end

Maximum Operating Pressure

290.0 pounds per square inch single response

Thread Size

0.437 inches 1st end

Seat Angle

37.0 degrees 1st end

Opening Pressure Setting

23.0 pounds per square inch

Outside Diameter Tube Accommodated

0.250 inches 1st end

Media For Which Designed

Air single response

Style Designator

C4 straight thru

Style Designator

Straight thru

Thread Series Designator

Unf 1st end

MC7543 Series Parts

MC7543-1

Pricing and Availability

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MC7543-1 Cross Reference

53-720057-1