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 5905-01-630-2321
NSN 5920-00-617-9909
NSN 5960-00-060-3752
NSN 5965-01-245-1552
NSN 6320-01-072-2073
NSN 6105-01-048-4582
NSN 6320-01-433-3953
NSN 5985-00-361-8863
NSN 6240-01-570-5976
NSN 5998-01-018-1249
NSN 5965-01-112-5518
NSN 5999-01-485-3231