Model: P1-249-3.5

Safety Relief Valve

Properties:

Flow Control Device
Poppet
Maximum Operating Temp
-80.0 degrees fahrenheit 1st response400.0 degrees fahrenheit 2nd response
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Maximum Operating Pressure
100.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Material
Aluminum alloy body
Material
Aluminum alloy flow control device
Material Specification
Qq-a-225/6 federal specification single material response flow control device
Material Specification
Qq-a-225/6 federal specification single material response body
Media For Which Designed
Air 1st response
Media For Which Designed
Carbon dioxide 2nd response
Media For Which Designed
Hydrogen 4th response
Media For Which Designed
Oxygen, gaseous 5th response
Thread Series Designator
Npt 1st end
NSN
4820-01-264-7868
Part Number
P1-249-3.5
Description
Valve,safety Relief
CAGE
91816

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 P1-249-3.5 NSN 4820-01-264-7868

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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