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 5855-00-466-2309
NSN 5975-01-512-2956
NSN 5985-01-203-9484
NSN 6130-01-421-3354
NSN 6620-00-458-8266
NSN 5910-00-202-1056
NSN 6110-01-212-2174
NSN 6610-00-753-2281
NSN 6610-01-262-9212
NSN 4140-01-555-8190
NSN 5965-01-146-1311
NSN 6650-01-529-6721