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 5920-00-189-0858
NSN 5925-00-412-4155
NSN 6135-00-880-1026
NSN 6685-01-634-0611
NSN 6685-01-328-9166
NSN 6650-01-129-8343
NSN 6240-01-227-4178
NSN 6685-00-468-5887
NSN 2925-01-111-2927
NSN 5975-01-191-5092
NSN 6610-00-171-5015
NSN 5935-01-025-1624