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 5990-01-127-8311
NSN 5930-00-181-2200
NSN 6650-00-379-5434
NSN 5985-01-221-2669
NSN 5930-01-634-0659
NSN 6685-00-834-0059
NSN 6110-01-259-4216
NSN 6105-01-510-8848
NSN 6320-01-578-6006
NSN 6110-01-418-7761
NSN 5895-00-904-2640
NSN 5996-01-455-2198