Model: 158 PL-5056 250

Safety Relief Valve

Special Features:

Orifice size 0.313 inch

Properties:

Thread Class
2a 1st end
Thread Class
2a 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
Minimum Operating Temp
-20.0 degrees fahrenheit
End Application
Whidbey island class lsd
Connection Style
G46b plain (pipe) 2nd end
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded external pipe 2nd end
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
12 2nd end
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
1.750 inches 2nd end
Thread Size
2.3125 inches 1st end
Opening Pressure Setting
250.0 pounds per square inch
Material
Bronze body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Air single response
Thread Series Designator
Un 1st end
Thread Series Designator
Un 2nd end
NSN
4820-01-468-8015
Part Number
158 PL-5056 250
Description
Valve,safety Relief
CAGE
99565

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 158 PL-5056 250 NSN 4820-01-468-8015

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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