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 5920-01-436-3704
NSN 6685-01-452-5414
NSN 5895-01-035-3184
NSN 5905-01-546-4478
NSN 6650-01-411-1581
NSN 6645-01-062-0905
NSN 5990-01-380-7815
NSN 6110-00-915-1318
NSN 2925-01-463-3899
NSN 6240-01-170-0704
NSN 4140-00-486-6292
NSN 4140-01-333-2504