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 6105-01-019-8008
NSN 5855-01-418-6303
NSN 5925-00-328-3885
NSN 6130-01-561-4386
NSN 5985-01-004-2723
NSN 7035-01-083-0282
NSN 5855-01-147-6024
NSN 5985-01-048-6826
NSN 2925-00-127-5112
NSN 6685-00-548-5460
NSN 5925-00-529-0441
NSN 5990-01-161-4625