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 5990-01-130-4959
NSN 5985-00-554-4599
NSN 6105-01-568-6765
NSN 6135-00-377-9165
NSN 6685-01-192-0261
NSN 5990-00-905-6472
NSN 6145-01-606-7710
NSN 2925-01-091-4734
NSN 6135-01-338-8969
NSN 5999-01-465-4135
NSN 5950-01-424-0257
NSN 5996-00-399-0731