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 5930-01-274-5994
NSN 6135-01-089-4888
NSN 6220-01-027-6244
NSN 5985-01-306-8326
NSN 5950-01-470-3740
NSN 5950-01-541-9117
NSN 5990-01-400-3299
NSN 5855-01-575-3154
NSN 6650-01-292-9734
NSN 5945-01-411-6180
NSN 6150-01-146-6223
NSN 6150-00-190-2173