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 6145-01-308-6107
NSN 5855-00-058-1293
NSN 4140-01-267-5137
NSN 5990-01-195-0593
NSN 5975-01-553-5067
NSN 6130-00-949-9994
NSN 5935-00-970-2726
NSN 6130-01-426-8841
NSN 6105-00-650-3448
NSN 6150-00-536-0274
NSN 5965-00-871-8987
NSN 6130-01-068-4475