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 5935-01-493-4021
NSN 6320-01-204-2922
NSN 2925-00-740-7029
NSN 5990-00-827-4891
NSN 7035-00-938-1505
NSN 7035-00-193-2269
NSN 5985-01-220-5408
NSN 5945-00-324-3216
NSN 5910-00-553-7367
NSN 5990-01-370-7912
NSN 6135-01-048-0910
NSN 4140-01-370-4075