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 6620-01-306-1347
NSN 5925-00-223-1842
NSN 5930-01-121-7655
NSN 5996-00-840-5246
NSN 5990-01-356-4259
NSN 4140-01-194-6595
NSN 5895-01-297-1751
NSN 5960-00-879-2487
NSN 6650-00-195-7519
NSN 5996-00-403-7981
NSN 5895-01-018-6345
NSN 5950-00-565-9657