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 5920-01-008-2387
NSN 6320-01-039-5891
NSN 5965-01-573-6523
NSN 5985-01-515-6266
NSN 5855-00-821-7512
NSN 5990-00-557-8726
NSN 5996-00-503-5306
NSN 2925-00-943-2263
NSN 6110-01-367-6526
NSN 6320-01-246-4390
NSN 5925-01-393-0485
NSN 6610-00-974-5345