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Cross Reference

These part numbers have the same form, fit, and function as ww-u-531
Item Number Cage
ASME B16.39 05047
1280 1-2 2 1-2IN 14959
ASMEB16.39-19-T-A 05047
WW-U-531 81348
WWU531-19TA 81348

Technical Definition

Union, Pipe, also referenced with federal logistics item name code 03785 - 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.

Q & A

Part number WWU531
What are the historical prices for part number WW-U-531?
No pre-dated pricing for this NSN could be found.
Does this part number WW-U-531 have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number WW-U-531 require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is part number WW-U-531 ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number WW-U-531?
4730-00-839-7486
Who are the manufacturers of WW-U-531 and NSN 4730-00-839-7486?
  • American Society Of Mechanical (CAGE 05047)
  • Crane Co (CAGE 14959)
  • Federal Specifications (CAGE 81348)

WW-U-531

Description: Pipe Union
Part Number WW-U-531 WW U 531

Specification

Thread Size: 2-1/2", copper alloy seat

ACSG Seat Type
Ground joint
AEHZ Maximum Operating Temp
450.0 deg fahrenheit 2nd response
AEHZ Maximum Operating Temp
450.0 deg fahrenheit 1st response
AHNC Connection Style
Plain (pipe) 1st end
AWLS Connection Type
Threaded internal pipe 1st end
CQGM Maximum Operating Pressure
150.0 pounds per square inch 1st response
CQGM Maximum Operating Pressure
300.0 pounds per square inch 2nd response
CQJX Nominal Thread Size
2.500 inches 1st end
CWFR Nominal Overall Length
3.220 inches
MATT Material
Copper alloy seat
MATT Material
Iron tailpiece or steel tailpiece
MDCL Material Spec
Qq-i-666 fed spec 1st material response nut or astm a47 assn std 1st material response nut or astm a197 assn std 1st material response nut or ansi g49.1 assn std 1st material response nut or astm a576 assn std 2nd material response nut or astm a675 assn std 2nd material response nut
MDCL Material Spec
Qq-i-666 fed spec 1st material response thread piece or astm a47 assn std 1st material response thread piece or astm a197 assn std 1st material response thread piece or ansi g49.1 assn std 1st material response thread piece or astm a576 assn std 2nd material response thread piece or astm a675 assn std 2nd material response thread piece
MEDA Media For Which Designed
Steam 1st response
MEDA Media For Which Designed
Water-oil-gas 2nd response
SFTT Surface Treatment
Zinc
STDC Surface Treatment Spec
Aqq-z-325,type 2,class 1 fed spec single treatment response or astm a153,class a assn std single treatment response
THSD Thread Series Designator
Npt 1st end
ZZZK Specification
81348-ww-u-531 government specification
ZZZT Nondefinitive Spec/std Data
1 class and b type
National Stock Number (NSN): 4730-00-839-7486