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 6645-01-170-0341
NSN 5990-01-541-7671
NSN 6650-00-985-5332
NSN 6620-01-112-6440
NSN 6110-01-658-7426
NSN 6110-01-364-8344
NSN 5996-00-625-5410
NSN 5915-01-270-2138
NSN 6105-01-303-7027
NSN 5999-01-167-8884
NSN 5835-00-392-2630
NSN 6320-01-512-2031