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 5895-01-576-2331
NSN 5990-01-370-7912
NSN 5925-01-473-8450
NSN 5910-01-369-9618
NSN 5999-01-415-1515
NSN 6105-01-617-4173
NSN 5990-00-465-4903
NSN 5996-01-229-3676
NSN 5990-00-964-9672
NSN 6150-00-990-2117
NSN 7035-00-931-9415
NSN 5935-01-265-4279