Model: 280039-7

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
255.0 pounds per square inch single response
Material
Steel comp 303
Specification Data
99657-280039-7 professional/industrial association specification
NSN
4820-01-314-1485
Part Number
280039-7
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 280039-7 NSN 4820-01-314-1485

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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

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