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 6645-01-244-3017
NSN 6320-01-166-3602
NSN 5920-01-490-2450
NSN 5975-00-288-5877
NSN 5999-01-270-0965
NSN 5915-00-564-2490
NSN 5920-01-188-5289
NSN 6110-01-438-1140
NSN 5985-01-411-7696
NSN 6220-01-030-7338
NSN 5895-00-288-5878
NSN 5910-01-325-1124