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 5905-01-190-8048
NSN 6645-01-593-3608
NSN 6105-01-207-0845
NSN 5999-00-007-7072
NSN 6110-01-462-1538
NSN 5895-00-834-2110
NSN 5905-01-023-8085
NSN 4140-01-429-9060
NSN 6685-00-882-8127
NSN 5925-00-186-8669
NSN 4140-00-790-7995
NSN 5835-01-384-3206