Model: 5120TP-4TJ-25

Safety Relief Valve

Special Features:

With polytetrafluoroethylene seal

Properties:

Thread Direction
Right-hand all ends
Disk Loading Method
Spring
Maximum Operating Temp
400.0 degrees fahrenheit single response
Minimum Operating Temp
-100.0 degrees fahrenheit
End Application
Aircraft, hercules c
Connection Style
G42 flared (tube) 1st end
Connection Style
G4 gasket sea (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Threaded internal tube 2nd end
Maximum Operating Pressure
1000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
25.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Material
Steel comp 303 body
Material
Stainless steel seat
Media For Which Designed
Water-oil-gas single response
Style Designator
C8 straight through note: to be used for valve bodies of one section only.
Thread Series Designator
Npt 1st end
Thread Series Designator
Nptf 2nd end
NSN
4820-01-420-5231
Part Number
5120TP-4TJ-25
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 5120TP-4TJ-25 NSN 4820-01-420-5231

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:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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