Wholesale Stainless Steel NPT Hydraulic Fittings Adapters
Hydraxio manufacture and supply stainless steel NPT(NPTF) hydraulic adapters and fittings that are compatiable with Parker and SSP fittings.
NPT(NPTF) fittings are an American pipe taper thread that has 60 degree thread angle. It also known as ANSI/ASME B1.20.1 pipe threads(NPTF threads should be made according to ANSI B1.20.3)
Hydraxio’s stainless steel NPT(NPTF)hydraulic Fittings are manufactured from high quality stainless steel materials to ensure the fittings can be used in used in many industries and applications. Such as Industries such as chemical processing, oil and gas, and food and beverage commonly use stainless steel NPT fittings.
Quick Details:
- Size: 1/8″ to 2″
- Thread: NPT/NPT, NPT/JIC, NPT/NPTF, NPT/NPSM, NPT/ORFS, NPT/BSP
- Material: AISI304/1.4301, AISI316L/1.4404, AISI316Ti/1.4571
- Type: Straight, 45 & 90 Degree Elbows, Tee, Cross, Reducer, Plug, Cap
Features:
- Equivalent to Parker, SSP, TITAN, Aeroquip, Brennan & Tompkins
- 100% made of stainless steel materials
- 100% key dimension check by gages and contour measuring
- Produced by high precision CNC lathe machines
- Free drawings are available for approval
- Custom solutions & technical support

Image: NPT Thread Chart
Pressure Rating of NPTF & NPSM Hydraulic Tube Fittings
SAE Dash Size | Inch Tube O.D | Thread Size | Working Pressure of NPTF Male/Female(Mpa) | Working Pressure of NPSM Female Swivel(Mpa) |
---|---|---|---|---|
-2 | 1/8" | 1/8-27 | 34.50 | 34.50 |
-4 | 1/4" | 1/4-18 | 27.50 | 27.50 |
-6 | 3/8" | 3/8-18 | 21.00 | 21.00 |
-8 | 1/2" | 1/2-14 | 21.00 | 21.00 |
-12 | 3/4" | 3/4-14 | 17.00 | 17.00 |
-16 | 1" | 1-11 1/2 | 14.00 | 14.00 |
-20 | 1 1/4" | 1 1/4-11 1/2 | 8.00 | 8.00 |
-24 | 1 1/2" | 1 1/2-11 1/2 | 7.00 | 7.00 |
-32 | 2" | 2 -11 1/2 | 7.00 | 7.00 |
Adapter Across Reference Chart
Hydraxio’s SS hydraulic adapter fittings are completely equivalent to Parker, TITAN, Aeroquip, Brennan & Tompkins. Here are the quick details:
Hydraxio | SAE | Parker | Aeroquip | TITAN/BI/Tompkins |
---|---|---|---|---|
SS-5404 Series | 140137 | FF-SS Series | 259-2083 Series | SS-5404 Series |
SS-5000 Series | 140138 | GG-SS Series | 259-2096 Series | SS-5000 Series |
SS-5406-HHP Series | 140109N | HHP-SS Series | 259-2222 Series | SS-5406-HP Series |
SS-5406-P Series | 140109E | HP-SS Series | 259-2082 Series | SS-5406-P Series |
SS-5406 Series | 140140 | PTR-SS Series | 259-2081 Series | SS-5406 Series |
SS-5405 Series | 140139 | FG-SS Series | 259-2040 Series | SS-5405 Series |
SS-5500 Series | 140237 | CR-SS Series | 259-2085 Series | SS-5500 Series |
SS-5504 Series | 140238 | DD-SS Series | 259-2087 Series | SS-5504 Series |
SS-5503 Series | 140339 | CD45-SS Series | 259-2088 Series | SS-5503 Series |
SS-5502 Series | 140239 | CD-SS Series | 259-2089 Series | SS-5502 Series |
SS-5600 Series | 140437 | RRS-SS Series | 259-2257 Series | SS-5600 Series |
SS-5602 Series | 140424 | MRO-SS Series | 259-2092 Series | SS-5602 Series |
SS-5604 Series | 140425 | MMS-SS Series | 259-2091 Series | SS-5604 Series |
SS-5652 Series | 140538 | KMMO-SS Series | 259-2080 Series | SS-5652 Series |
SS-5406-C Series | HPC-SS Series | SS-5406C Series |
If you would like to learn more about the full across reference of SS hydraulic adapters, please go to the below contact form.
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