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 5920-00-248-8896
NSN 5960-01-533-5162
NSN 5925-00-933-8491
NSN 5960-01-010-1497
NSN 5975-01-532-5412
NSN 5855-01-396-0258
NSN 5975-01-555-5973
NSN 7035-01-300-1599
NSN 2925-00-078-0525
NSN 6110-01-337-5665
NSN 5990-01-502-7835
NSN 6110-01-619-5257