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 6650-01-167-1311
NSN 6135-01-213-7339
NSN 7035-00-088-7355
NSN 2925-01-596-9448
NSN 6240-01-534-0268
NSN 4140-00-901-8216
NSN 5935-00-829-3035
NSN 5990-01-191-9624
NSN 5945-01-199-7108
NSN 5985-01-525-7488
NSN 5835-00-711-3371
NSN 5855-01-103-8650