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 6150-00-876-1686
NSN 6610-00-518-4919
NSN 6610-01-354-3087
NSN 5950-00-618-0024
NSN 6650-01-008-6080
NSN 6105-01-580-0264
NSN 5835-01-328-6626
NSN 5925-01-364-2960
NSN 5960-00-533-1125
NSN 5895-00-525-3295
NSN 4140-01-064-7905
NSN 2925-00-701-9991