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 steel
NSN 5945-00-473-3369
NSN 6620-00-404-0149
NSN 5905-00-643-7939
NSN 5965-01-430-4654
NSN 5950-01-280-4619
NSN 5855-01-473-6076
NSN 5895-00-127-6383
NSN 5975-00-111-3208
NSN 5905-01-118-0275
NSN 6620-00-242-3237
NSN 5985-00-876-8576
NSN 5945-00-247-3720