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 6620-01-444-7053
NSN 6645-01-605-8796
NSN 5895-00-870-5598
NSN 5960-00-138-7528
NSN 5910-01-163-5196
NSN 5910-01-643-5704
NSN 5985-01-373-9950
NSN 5925-01-660-3505
NSN 6620-00-825-2227
NSN 6105-00-881-3080
NSN 5990-01-390-2177
NSN 6650-00-454-8230