Model: D42UU-12N-1/2-3/4

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.500 inches 2nd end
Pipe Size Accommodated
0.750 inches 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Maximum Operating Temp
334.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 2nd end
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Unthreaded external pipe 1st end
Connection Type
Unthreaded external pipe 2nd end
Adjustable Pressure Range
+316.0/+360.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Material
Copper alloy 922
Material Specification
Qq-c-390. Alloy d4/d federal specification single material response
Media For Which Designed
Air single response
NSN
4820-01-571-7319
Part Number
D42UU-12N-1/2-3/4
Description
Valve,safety Relief
CAGE
5P967

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 D42UU-12N-1/2-3/4 NSN 4820-01-571-7319

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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