Model: 280039-11

Safety Relief Valve

Properties:

Flow Control Device

Poppet

Disk Loading Method

Spring

Valve Operation Method

Manual

Connection Type

Unthreaded cartridge all ends

Maximum Operating Pressure

125.0 pounds per square inch single response

Material

Steel comp 303

Specification Data

99657-280039-11 professional/industrial association specification

NSN

4820-01-313-1405

Part Number

280039-11

Description

Valve,safety Relief

CAGE

99657

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.

Part 280039-11 NSN 4820-01-313-1405

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves