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 5920-00-789-8247
NSN 4140-01-245-8866
NSN 5920-01-180-8307
NSN 7035-01-483-1531
NSN 5999-00-149-8321
NSN 5999-00-776-6084
NSN 6130-00-144-8018
NSN 6150-01-296-4906
NSN 6650-01-212-3964
NSN 6135-01-555-4283
NSN 7035-00-868-2640
NSN 5990-00-450-9872