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 5985-00-860-0841
NSN 5990-00-311-1031
NSN 6610-01-608-0170
NSN 6105-01-260-1303
NSN 6650-00-492-9503
NSN 6145-01-073-9330
NSN 7035-00-916-9380
NSN 6685-01-060-6139
NSN 6610-01-218-6246
NSN 5910-01-141-0470
NSN 5960-01-065-0273
NSN 6650-01-329-8020