Model: 5177A-4TB-1500

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Class
3b 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
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 boss 2nd end
Thread Size
0.438 inches all ends
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
1500.0 pounds per square inch
Material
Aluminum body
Material
Rubber synthetic seat
Media For Which Designed
Refrigerant 12 5th response
Media For Which Designed
Air 1st response
Media For Which Designed
Alcohol, ethyl 2nd response
Media For Which Designed
Ammonia, gaseous 3rd response
Media For Which Designed
Ammonia, liquid 4th response
Thread Series Designator
Unf 2nd end
Thread Series Designator
Unjf 1st end
NSN
4820-01-261-0163
Part Number
5177A-4TB-1500
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 5177A-4TB-1500 NSN 4820-01-261-0163

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:
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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