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 6620-01-307-3468
NSN 5999-01-570-8146
NSN 6610-00-308-4242
NSN 5985-01-047-7090
NSN 5915-01-084-5302
NSN 4140-01-023-8098
NSN 6105-01-500-0891
NSN 5905-00-460-5817
NSN 6645-00-137-7699
NSN 5915-01-595-2266
NSN 5920-01-458-5224
NSN 5910-01-442-6323