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 6110-01-147-5936
NSN 6135-01-608-3470
NSN 5985-01-062-9133
NSN 7035-01-201-9850
NSN 5985-00-619-8154
NSN 5855-01-473-2904
NSN 5990-01-525-2250
NSN 4140-01-310-0741
NSN 7035-01-322-8180
NSN 5895-00-297-6689
NSN 5990-01-629-4694
NSN 5985-00-966-6338