2OU - UNO MALE X NPSM FEMALE SWIVEL
2OU - UNO MALE X NPSM FEMALE SWIVEL - 7/16" UNO X 1/4" NPSM is backordered and will ship as soon as it is back in stock.
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📏 Find Your Thread Size
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💪 Built to Last Promise
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2OU - UNO MALE X NPSM FEMALE SWIVEL
Description
Description
2OU €” UNO Male × NPSM Female Swivel Adaptor
Type
UNO (SAE O-Ring Boss) Male × NPSM Female Swivel Adaptor
Connections
| End 1 |
UNO Male (SAE J514 O-Ring Boss, UN/UNF straight thread) Seals via the O-ring on the male against the chamfered seat in an ORB/UNO female port; threads provide retention only. |
| End 2 |
NPSM Female Swivel (National Pipe Straight Mechanical, straight pipe thread) Swivel nut with internal seat; makes a mechanical seal at the seat (not on the threads) when mated to the appropriate male (NPSM male or compatible NPTF male with matching seat). Verify seat style when connecting. |
Description
This adaptor joins American SAE O-Ring Boss (UNO/ORB) ports to a straight-thread pipe swivel on the other end. The UNO male provides a vibration-resistant, leak-tight O-ring seal in the port, while the NPSM female swivel allows easy hose alignment and serviceability by sealing on its internal seat against the mating male fitting. A simple way to bridge ORB manifolds and valves to pipe-thread swivel connections in maintenance, retrofit, or OEM builds.
Thread Explanations
- UNO / ORB (SAE J514 O-Ring Boss): UN/UNF straight thread that seals on an O-ring at the face of the port; the threads only clamp the joint. Common on American and imported hydraulic components for a reliable, reusable seal.
- NPSM Female Swivel: National Pipe Straight Mechanical thread; the swivel nut uses an internal seat to seal against the mating male (NPSM male or compatible NPTF male designed for this interface). Threads do not seal; ensure the male has the correct seat/chamfer for a proper mechanical seal.
Common Applications
- Connecting ORB (UNO) manifold/valve ports to hose assemblies with pipe-thread swivel ends
- Retrofitting equipment where ORB ports must interface with NPSM/NPTF-style swivels
- Workshop and field repairs requiring a swivelling, serviceable connection on the pipe side
Commonly Found On
American-spec hydraulic equipment and power units, mobile machinery, and OEM manifolds using SAE O-Ring Boss ports with hose or pipe interfaces built around NPSM/NPTF swivels.
Need help matching threads? We'll confirm size, seat style, and compatibility so your system goes together first time. Contact us for assistance or wholesale pricing.
BUILT TO LAST, DELIVERED FAST.
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