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 5998-01-509-4652
NSN 5895-00-980-1327
NSN 6105-01-202-4048
NSN 5855-01-042-7990
NSN 6685-01-044-6366
NSN 5895-01-486-9627
NSN 5920-01-070-8843
NSN 6105-01-592-5969
NSN 5925-01-533-7676
NSN 7035-00-922-5700
NSN 6320-00-937-5625
NSN 2925-01-430-4206