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 5915-00-163-4784
NSN 5999-01-338-9654
NSN 4140-01-393-0720
NSN 5925-01-018-6845
NSN 5905-00-584-4869
NSN 6145-00-335-1336
NSN 5905-00-408-4415
NSN 5960-01-056-8109
NSN 5999-01-003-0355
NSN 5960-01-294-2397
NSN 6150-01-473-4818
NSN 5835-01-589-4735