Model: 5159B-1M-R-2

Safety Relief Valve

Special Features:

The valve cracking pressure shallbe 1000 psi, plus or minus 5%; lgth 3.16 in. Max; thd data o.125-27 npt

Properties:

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
End Application
Test set gdnc cmpnt
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Thread Size
0.125 inches 1st end
Material
Copper alloy flow control device
Material
Copper alloy body
Material Specification
Stm b16, half hard assn standard single material response body
Material Specification
Stm b16, half hard assn standard single material response flow control device
Media For Which Designed
Refrigerant 12 5th response
Media For Which Designed
Acetylene single response
Media For Which Designed
Air 1st response
Media For Which Designed
Ammonia, gaseous 2nd response
Media For Which Designed
Gas, inert 3rd response
Media For Which Designed
Hydrogen 4th response
Thread Series Designator
Npt 1st end
NSN
4820-01-391-6096
Part Number
5159B-1M-R-2
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 5159B-1M-R-2 NSN 4820-01-391-6096

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:
NM
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
576
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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