Model: A-4000-144

Safety Relief Valve

Special Features:

Gsafety relief valve replacement in an a-4400 series refrigerated air dryer for pneumatic control system and the a-4000 series oil removal and pressure reducing stations and air compressor accessories

Properties:

End Application
Hemp endurable power system
Maximum Operating Pressure
25.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Thread Series Designator
Npt 1st end
NSN
4820-01-532-0635
Part Number
A-4000-144
Description
Valve,safety Relief
CAGE
92578

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 A-4000-144 NSN 4820-01-532-0635

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:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
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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