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 5935-01-606-8786
NSN 6110-01-028-7980
NSN 6105-01-048-0701
NSN 5935-01-544-8473
NSN 5965-01-366-5900
NSN 5975-01-543-3656
NSN 5920-01-557-9558
NSN 5996-00-491-3469
NSN 6220-00-782-0196
NSN 5920-01-528-3432
NSN 5920-01-110-9242
NSN 2925-01-472-4144