Parker Pipe Fittings | Couplings

This Section contains adapters with thread types including NPT, NPTF, BSPT, BSPP, SAE UN/UNF, and Metric. All the threads in this section are made to industry specifications with conformance shown in table on the right.
Thread Standard


ANSI B1.20.1, FED-STD-H28/7


SAE J476, ANSI B1.20.3, FED-STD-H28/8


BS 21, ISO 7/1


BS 2779, ISO 228/1


ISO 261, ANSI B1.13M, FED-STD-H28/21


ANSI B1.1, FED-STD-H28/2

*Class 2A or 2B

Parker Pipe Couplings Configurations

Straight Thread Coupling

Straight Thread Couplings

Part Number:  G5HG5
Manufacturer: Parker

Pipe Coupling

Pipe Couplings

Part Number:  GG
Manufacturer: Parker

BSPP Female Union

BSPP Female Unions

Part Number:  GG44M
Manufacturer: Parker

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