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 5996-01-265-8621
NSN 5990-01-465-9235
NSN 5998-00-296-8669
NSN 5998-01-147-5597
NSN 2925-01-351-9748
NSN 5930-01-485-2415
NSN 5925-01-388-3325
NSN 5855-01-119-3316
NSN 6130-00-488-6965
NSN 6145-01-475-9907
NSN 6240-01-089-6149
NSN 6685-00-381-8551