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 5990-00-366-0112
NSN 5999-00-103-7633
NSN 4140-01-017-2184
NSN 6110-01-076-4060
NSN 5920-01-495-8867
NSN 5975-01-100-3222
NSN 2925-01-359-4027
NSN 6620-01-300-4523
NSN 6220-01-628-4370
NSN 5920-00-156-9230
NSN 5935-01-263-8681
NSN 5895-01-014-1704