Parker's stainless steel NPT adapters have working pressure ratings from 10,000 psi to 15,000 psi, depending on size.
01D9-8-8C - NPT Adapters
Size: Male 1/8 NPT thread (1/8-27 NPT), Female M10(P1.0 thread), Male side ID 5mm / 0.2 inch. Function: NPT Gauge Sender Adapter, NPT Sensor Port
1/8 NPT Male To M10x1.0 Female Gauge Sender Adapter M10 Fuel Oil Trans Brakes
90 Elbow, JIC Female x NPT Male
NW40 – Chemtech Scientific Incorporated
Size: 3AN (3/8-24) male to 1/8 NPT thread Material: Manufactured from stainless steel 304 These AN to NPT stainless steel fittings are commonly used
Male 1/8 NPT to -3 AN Flare Adapter Straight Stainless Steel
Stainless Steel Pipe Fitting, Adapter, 1/2 in. Female ISO Tapered x 1/2 in. Male NPT, Adapters, Pipe Fittings, Fittings, All Products
529 SERIES AN MALE to NPT ADAPTERS 1/8 GAUGE PORT – Hyperflow Performance Inc
Thread Type 1/8 NPT, Fittings & Adaptors, Gas Management
Threading Adapter, NPT 1/8 Male to G 1/4 Female, Stainless Steel
Techcon TSD931-14 LL Adapter Black 0.25 NPT
Viega ProPress 1 in. Press Copper Coupling with Stop 77431 - The Home Depot
Ohmeda Oxygen Quick Connect Adapters
NPT Compressed Air Double Filter & Regulator, Air Drying System, Air Compressor Water Separator 1/2 NPT
3 AN Male 90 Deg to 1/8 NPT Male Adapter Steel Black Anodized
3AN X 1/8 NPT Pipe Male 90 Degree Brake Adapter Fitting With Black Finish
Adapter 1/8 - 27 NPT Internal Thread - R1/8 DIN 2999 External Thread