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 5925-00-619-0412
NSN 5855-01-484-3619
NSN 5855-01-584-1365
NSN 5855-01-560-4811
NSN 6105-01-147-9264
NSN 6110-01-468-0428
NSN 5905-00-139-3239
NSN 6135-01-470-4077
NSN 5915-00-491-3475
NSN 5920-01-445-6970
NSN 2925-01-599-1901
NSN 5998-00-798-4534