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 6685-00-221-4672
NSN 5905-01-421-1241
NSN 5985-01-463-5779
NSN 6620-01-158-7309
NSN 2925-00-351-1015
NSN 6685-01-081-8704
NSN 5999-01-192-5495
NSN 6105-00-368-0066
NSN 7035-00-981-7216
NSN 2925-00-455-2367
NSN 6135-01-446-6010
NSN 6645-00-664-4665