Model: WHMBN1178DF

Safety Relief Valve

Special Features:

Second end vents to atmosphere. This valve release pressure in air brakes.

Properties:

Pipe Size Accommodated
0.560 inches 1st end
Thread Direction
Right-hand 1st end
End Application
2320-01-206-4089, truck, cargo. W/s code 5 t truck
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Thready Qty Per Inch (tpi)
18 1st end
Thread Size
0.250 inches 1st end
Opening Pressure Setting
250.0 pounds per square inch
Part Name Assigned By Controlling Agency
Valve, relief
Material
Copper alloy
Media For Which Designed
Air single response
Thread Series Designator
Npt 1st end
NSN
4820-01-478-3710
Part Number
WHMBN1178DF
Description
Valve,safety Relief
CAGE
0UKB6

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 WHMBN1178DF NSN 4820-01-478-3710

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:
0.1000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
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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