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 5905-00-089-2594
NSN 6240-00-491-7191
NSN 6135-01-591-4181
NSN 6650-00-877-6972
NSN 5910-00-244-9248
NSN 6130-01-430-7193
NSN 6150-00-148-8515
NSN 6110-01-232-7780
NSN 5935-01-589-2628
NSN 6130-01-054-4498
NSN 5905-01-220-3251
NSN 6685-00-922-8326