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 5915-01-429-9287
NSN 7035-01-083-0282
NSN 6150-01-641-7310
NSN 6145-01-394-2948
NSN 6685-00-509-2380
NSN 6105-00-205-0655
NSN 5930-01-392-1046
NSN 5905-00-000-0136
NSN 5895-01-230-0266
NSN 2925-01-067-4446
NSN 5930-01-068-6516
NSN 6685-01-531-7654