A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of materials other than copper, iron or steel
NSN 6240-00-372-4841
NSN 6110-01-427-0161
NSN 6150-01-556-5367
NSN 5990-01-617-5156
NSN 5905-01-491-9115
NSN 5965-00-187-5523
NSN 6650-00-959-6869
NSN 5998-00-958-7399
NSN 6130-01-394-8580
NSN 6135-00-248-4102
NSN 5999-01-463-3390
NSN 5925-00-008-4413