A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 2925-00-719-9611
NSN 5990-00-450-9872
NSN 6145-00-255-1480
NSN 5975-01-581-2006
NSN 6150-01-535-9937
NSN 5999-01-357-7755
NSN 6135-01-525-2356
NSN 5920-00-466-3950
NSN 5855-01-068-3683
NSN 6135-01-093-7426
NSN 6320-01-227-2648
NSN 6620-01-532-4147