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 5925-01-445-0850
NSN 5855-01-400-1590
NSN 5895-00-286-3788
NSN 5935-01-529-2277
NSN 6645-00-701-4606
NSN 5920-01-020-7659
NSN 6645-00-869-0850
NSN 5985-01-107-2749
NSN 5895-00-270-0949
NSN 6135-01-050-3194
NSN 5835-01-163-4215
NSN 4140-00-245-2715