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 5999-00-231-7584
NSN 5905-01-026-9409
NSN 5855-01-536-9873
NSN 2925-01-415-0264
NSN 2925-01-455-2558
NSN 5905-01-522-3498
NSN 5895-01-348-2945
NSN 2925-01-517-4037
NSN 6220-01-117-7619
NSN 4140-01-643-3391
NSN 5999-00-891-9609
NSN 2925-01-342-1712