Model: WW-U-531

Pipe Union

Properties:

Pipe Size Accommodated
3.000 inches all ends
Seat Type
Ground joint
Reducer Type
Concentric
Connection Style
Plain (pipe) all ends
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
3.000 inches all ends
Coupling Flange Shape
Hexagon
Nominallength
3.500 inches
Material
Iron
Media For Which Designed
Water-oil-gas single response
Style Designator
Threaded
Thread Series Designator
Npt all ends
Specification Data
81348-ww-u-531 professional/industrial association standard
Nondefinitive Specification/std Data
3 class
NSN
4730-00-287-0168
Part Number
WW-U-531
Description
Union,pipe
CAGE
81348

A straight pipe fitting designed to join two lengths of pipe or pipe fittings in such a manner that they may be disconnected without disturbing the rest of the pipe line. The end connections have pipe threads or are unthreaded and designed to accommodate a pipe.

Part WW-U-531 NSN 4730-00-287-0168

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:
7.5000lbs
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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Schedule B and Export
  • Schedule B: 7307199030
  • SITC: 67952
  • End Use: Iron and steel products, other
  • NAICS: 331511
  • USDA: 1

Freight Class: Unions, pipe, of iron or steel, cast

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