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 6130-00-218-1363
NSN 6110-01-280-5390
NSN 5910-01-008-6757
NSN 6620-00-145-3010
NSN 6105-00-949-2100
NSN 5990-01-041-4351
NSN 6130-00-148-8784
NSN 5945-01-634-0588
NSN 6150-00-978-7338
NSN 5990-01-548-5979
NSN 5895-01-519-8880
NSN 5920-01-030-1112