Pipe Thread (NPT)
Stainless steel npt pipe thread adapter hydraulic fittings use a NPTF, National Pipe Tapered, Fuel (which is equivalent to NPT National Pipe Taper also referred as NPT National Pipe Thread).
More About NPT Threaded Pipe
NPT pipe threads seal when the male NPT pipe thread taper mates with the female pipe NPT taper crushing the thread and creating a mechanical lock.
Material:
Shape:
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SS-5000
Female NPT Coupling

SS-5404
NPT Pipe Male Nipple

SS-5405
NPT Pipe Enlarger

SS-5406
NPT Pipe Reducer Bushing

SS-5406-HP
NPT Pipe Socket Plug

SS-5406-P
NPT Pipe Hex Head Plug

SS-5406C
NPT Pipe Cap

SS-5406-P-Hollow
NPT Pipe Hollow Hex Head Plug

SS-5500
NPT Pipe 90 Male Elbow

SS-5501
NPT Pipe 45 Male Elbow

SS-5502
NPT Pipe 90 Street Elbow

SS-5503
NPT Pipe 45 Street Elbow

SS-5504
NPT Pipe Female 90 Elbow

SS-5505
NPT Pipe Female 45 Elbow

SS-5600
NPT Pipe Male Tee

SS-5601
NPT Female Pipe Branch Tee

SS-5602
NPT Pipe Street Tee

SS-5603
NPT Pipe Run Tee

SS-5604
NPT Male Pipe Branch Tee

SS-5605
NPT Pipe Female Tee

SS-5652
NPT Pipe Cross