1. Size: 1/2''-6''
2. Our couplings conform to MIL-AA-57326(MIL-C-27487) and are interchangeable with other products which meet this specification 3. Threads: ANSI B1.20.1(NPT), DIN2999/259, BSP, BS 21(PT)
4. Material: Stainless Steel 304, 316
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