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 2925-00-157-1602
NSN 5950-01-413-8978
NSN 6685-01-310-8116
NSN 5915-01-438-9403
NSN 7035-01-252-5919
NSN 5985-01-320-0957
NSN 6240-00-722-9558
NSN 5990-01-287-9447
NSN 5999-01-364-9336
NSN 5855-01-642-4749
NSN 5950-00-001-3074
NSN 6135-00-557-8874