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 5905-01-522-4281
NSN 5915-00-476-1374
NSN 6105-01-525-0616
NSN 6145-00-105-1239
NSN 5996-00-155-4586
NSN 2925-00-480-9068
NSN 5985-01-473-6108
NSN 6650-01-024-9554
NSN 5920-00-336-2475
NSN 5910-00-366-0095
NSN 6620-00-903-5054
NSN 6150-00-040-1023