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 5920-01-386-8116
NSN 5945-01-555-9140
NSN 5855-00-466-2309
NSN 5975-01-182-7736
NSN 5855-01-520-5873
NSN 6220-00-581-3858
NSN 6135-01-581-8163
NSN 5975-01-590-5134
NSN 5905-00-493-1495
NSN 5930-01-367-7810
NSN 5998-01-104-3473
NSN 5930-00-477-5233