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 6620-00-861-3828
NSN 4140-01-482-8447
NSN 5855-01-341-2518
NSN 5975-01-605-2629
NSN 6150-00-456-0421
NSN 5910-01-245-8757
NSN 6130-01-654-3494
NSN 5975-00-937-4586
NSN 4140-01-416-4898
NSN 6645-00-593-5420
NSN 6620-00-404-0149
NSN 6240-00-286-0742