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 7035-01-144-1868
NSN 6145-01-468-6252
NSN 6620-00-203-9466
NSN 5930-01-115-3952
NSN 5975-01-534-6316
NSN 5895-01-131-5236
NSN 6620-01-462-5196
NSN 5965-00-227-7348
NSN 5990-01-309-3740
NSN 5835-01-644-8013
NSN 5935-00-588-0857
NSN 6685-00-450-7947