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 6145-00-812-5034
NSN 5990-01-411-5930
NSN 6135-01-593-9256
NSN 5999-00-225-2833
NSN 6320-00-343-1798
NSN 5925-01-114-0909
NSN 5915-01-337-1102
NSN 5915-01-400-3045
NSN 6135-01-070-3865
NSN 5999-00-233-6366
NSN 5996-00-345-8025
NSN 5925-00-140-6367