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Pipe To Tube Elbow

Model / MPN: 2023-12-16S | NSN: 4730-00-995-1572
ITAR Registered seal

A fitting that forms an angle of less than 180 degrees (3.142 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. It may have side or heel inle (s) . See also elbow, pipe; elbow, tube; and connector, multiple, fluid pressure line.

Product Details
NATO Stock Number
Sold in multiples of
1 EA
Pipe Size Accommodated
0.750 inches 2nd end
Thread Class
2a 1st end
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Flared (tube) 1st end
Connection Style
Plain (pipe) 2nd end
Leg Length
1.290 inches 2nd end
Leg Length
1.469 inches 1st end
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
12 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.312 inches 1st end
Thread Size
0.750 inches 2nd end
Seat Angle
37.0 degrees 1st end
Flow Angle
45.0 degrees
Outside Diameter Tube Accommodated
1.000 inches 1st end
Steel comp 12l14
Media For Which Designed
Air 1st response
Media For Which Designed
Hydraulic fluid 2nd response
Surface Treatment
Surface Treatment Specification
Astm b633 ty2 sc1 assn standard single treatment response
Thread Series Designator
Nptf 2nd end
Thread Series Designator
Un 1st end
Furnished Items And Quantity
1 tube coupling nut w/sleeve
Specification Data
96906-ms51508 government standard and 81349-mil-f-18866 government specification

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2023-12-16S Cross Reference
  • MS51508A16-12Z
  • MIL-F-18866
  • 49466AX
  • 16-12VBTXS
  • 218-547
  • MS51508A16-12
  • 16-12VBTXS
  • 16-12VBTXS
  • 49466AX