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 5945-01-223-1213
NSN 6145-01-526-7089
NSN 6610-00-361-6954
NSN 6685-01-289-7275
NSN 5999-00-610-5384
NSN 6145-01-206-3539
NSN 5910-01-479-5061
NSN 5835-01-116-2369
NSN 6150-01-025-5292
NSN 6240-01-232-9496
NSN 5835-01-549-9405
NSN 5945-00-612-9319