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 6320-01-399-6177
NSN 5950-00-819-0782
NSN 6645-01-205-0549
NSN 5925-01-281-0481
NSN 6320-00-553-8427
NSN 5950-01-143-7096
NSN 6105-01-231-7332
NSN 5985-00-411-5201
NSN 6610-00-931-3656
NSN 5920-00-071-9241
NSN 5950-00-784-5906
NSN 6110-00-421-3549