Model: 4253-133-4

Safety Relief Valve

Properties:

Thread Direction
Right-hand 1st end
Flow Control Device
Cone
Valve Discharge Flow Rate
20.0 gallons per minute
Connection Style
G9 plain, optional en (pipe) 1st end
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Manual
Connection Type
Threaded internal pipe 1st end
Maximum Operating Pressure
3400.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Style Designator
Cross
Thread Series Designator
Npt 1st end
NSN
4820-00-735-5924
Part Number
4253-133-4
Description
Valve,safety Relief
CAGE
83395

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 4253-133-4 NSN 4820-00-735-5924

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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