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 5925-01-428-9978
NSN 6645-01-215-0617
NSN 6685-01-017-9122
NSN 5990-00-702-2873
NSN 5999-00-424-3100
NSN 5915-00-179-4623
NSN 6240-00-689-8504
NSN 7035-00-585-2113
NSN 2925-01-055-9705
NSN 5905-00-418-0069
NSN 5950-01-491-4407
NSN 5910-01-278-8504