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 5996-01-517-1603
NSN 5975-00-755-3703
NSN 5985-00-216-7057
NSN 5965-01-490-6704
NSN 5990-00-455-9865
NSN 6650-01-579-2137
NSN 6135-00-856-1343
NSN 5905-00-233-5932
NSN 6130-01-424-5099
NSN 5960-01-487-6436
NSN 5935-01-171-3683
NSN 5985-01-346-2339