Steel o-ring adapter Female o-ring to male pipe adapter Description
Our selection of 150+ steel O-ring adapter fittings includes female O-ring to male pipe adapters, JIC to O-ring connectors, and swivels. Shop now!
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![Midland Metal Mfg. 640442 7/16-20 X 1/8 FORB X MNPT ST ADPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640442_55e0308b-87a0-42d0-b974-0a7a4660e739_medium.jpg?v=1718750888)
640442 | 7 / 16-20 X 1 / 8 FORB X MNPT ST ADPT | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 640442
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![Midland Metal Mfg. 640444 7/16-20X1/4 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640444_medium.jpg?v=1718750884)
640444 | 7 / 16-20X1 / 4 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 640444
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![Midland Metal Mfg. 640464 9/16-18X1/4 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640464_medium.jpg?v=1718750888)
640464 | 9 / 16-18X1 / 4 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 640464
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![Midland Metal Mfg. 6404108 7/8-14X1/2 (F ORB X M NPT ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/6404108_medium.jpg?v=1718750890)
6404108 | 7 / 8-14X1 / 2 (F ORB X M NPT ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 6404108
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![Midland Metal Mfg. 640486 3/4-16X3/8 FORBXMNPT ST ADPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640442_162e2355-a5a4-4df2-b278-c90eb1be2f1e_medium.jpg?v=1718750887)
640486 | 3 / 4-16X3 / 8 FORBXMNPT ST ADPT | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 640486
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![Midland Metal Mfg. 64041616 1-5/16-12X1 FORBXMIP STRT ADPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640442_medium.jpg?v=1718750880)
64041616 | 1-5 / 16-12X1 FORBXMIP STRT ADPT | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 64041616
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![Midland Metal Mfg. 640488 3/4-16 X 1/2 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640488_medium.jpg?v=1718750891)
640488 | 3 / 4-16 X 1 / 2 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 640488
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![Midland Metal Mfg. 640468 9/16-18X1/2 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640468_medium.jpg?v=1718750888)
640468 | 9 / 16-18X1 / 2 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 640468
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![Midland Metal Mfg. 640466 9/16-18X3/8 (F ORB X M NPT ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/640466_medium.jpg?v=1718750881)
640466 | 9 / 16-18X3 / 8 (F ORB X M NPT ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 640466
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![Midland Metal Mfg. 64041212 1-1/16-12X3/4 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/64041212_medium.jpg?v=1718750883)
64041212 | 1-1 / 16-12X3 / 4 (F ORB X M NPT ST ADPT), Hydraulic, Steel O-Ring Adapter, Female O-Ring to Male Pipe Adapter | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 64041212
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