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 5925-01-499-0421
NSN 6220-01-391-7204
NSN 5855-00-494-9581
NSN 5915-01-009-0164
NSN 6650-00-191-9000
NSN 6105-01-126-3993
NSN 6145-01-605-3228
NSN 6320-01-445-5072
NSN 2925-01-424-0235
NSN 6110-01-410-7452
NSN 6145-01-026-7011
NSN 6645-01-063-8243