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 5925-01-346-1795
NSN 6110-01-648-2637
NSN 5920-00-119-1406
NSN 5999-01-085-4305
NSN 6135-01-529-8523
NSN 7035-01-191-2822
NSN 6110-00-247-0211
NSN 6610-00-329-0426
NSN 5855-01-007-9541
NSN 6320-00-725-0754
NSN 6240-00-585-8138
NSN 6150-00-929-8331