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Worldwide distributor of NSN parts and consumables located in the USA.

Pipe Union

Model / MPN: B16.39 | NSN: 4730-00-223-7079
ITAR Registered seal

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.

Product Details
NATO Stock Number
4730-00-223-7079
Sold in multiples of
32 EA
DEMIL
NO
Seat Type
Ground joint
Maximum Operating Temp
450.0 degrees fahrenheit 2nd response
Maximum Operating Temp
450.0 degrees fahrenheit 1st response
End Application
Truck, firefighting; poseidon submarine, and other various applications
Connection Style
Plain (pipe) all ends
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
250.0 pounds per square inch 1st response
Maximum Operating Pressure
500.0 pounds per square inch 2nd response
Thread Size
0.750 inches all ends
Coupling Flange Shape
Hexagon
Nominallength
2.070 inches
Material
Copper alloy seat
Material
Iron alloy nut or steel nut
Material
Iron alloy tailpiece or steel tailpiece
Material
Iron alloy thread piece or steel thread piece
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 nut
Surface Treatment
Zinc thread piece
Surface Treatment
Zinc tailpiece
Surface Treatment Specification
Qq-z-325, type 2, class 1 federal specification single treatment response or astm a153, class a assn standard single treatment response
Style Designator
Screwed
Thread Series Designator
Npt all ends
B16.3 Series Parts

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B16.39 Cross Reference
  • ASMEB16.39-37-T-A
  • WWU531-37TA