Model: WWU531-12TA

Pipe Union

Special Features:

Supports 1025-01-026-6648; howitzer, med towed 155-mm, m198

Properties:

Seat Type
Ground joint
Maximum Operating Temp
450.0 degrees fahrenheit 2nd response
Maximum Operating Temp
450.0 degrees fahrenheit 1st response
Connection Style
Plain (pipe) all ends
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
150.0 pounds per square inch 1st response
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Thread Size
0.375 inches all ends
Nominallength
1.610 inches
Material
Copper alloy seat
Material
Iron nut or steel nut
Material
Iron thread piece or steel thread piece
Material
Iron tailpiece or steel tailpiece
Material Specification
Qq-i-666 federal specification 1st material response nut or astm a47 assn standard 1st material response nut or astm a197 assn standard 1st material response nut or ansi g49.1 assn standard 1st material response nut or astm a576 assn standard 2nd material response nut or astm a675 assn standard 2nd material response nut
Material Specification
Qq-i-666 federal specification 1st material response tailpiece or astm a47 assn standard 1st material response tailpiece or astm a197 assn standard 1st material response tailpiece or ansi g49.1 assn standard 1st material response tailpiece or astm a576 assn standard 2nd material response tailpiece or astm a675 assn standard 2nd material response tailpiece
Material Specification
Qq-i-666 federal specification 1st material response thread piece or astm a47 assn standard 1st material response thread piece or astm a197 assn standard 1st material response thread piece or ansi g49.1 assn standard 1st material response thread piece or astm a576 assn standard 2nd material response thread piece or astm a675 assn standard 2nd material response thread piece
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Surface Treatment
Zinc
Surface Treatment Specification
Qq-z-325, type 2, class 1 federal specification single treatment response or astm a153, calss a assn standard single treatment response
Style Designator
Screwed
Thread Series Designator
Npt all ends
Specification Data
81348-ww-u-531 government specification
Nondefinitive Specification/std Data
1 class and b type
NSN
4730-01-031-0516
Part Number
WWU531-12TA
Description
Union,pipe
CAGE
81348

Part WWU531-12TA NSN 4730-01-031-0516

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03785
FIIG:
A080B0
Concept No.:
App. Key:
A
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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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