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 6620-01-123-6663
NSN 6145-00-156-4394
NSN 5915-00-259-3085
NSN 5975-00-974-6704
NSN 6220-00-776-2614
NSN 6320-00-925-0558
NSN 6650-01-538-6276
NSN 4140-01-533-8424
NSN 6320-01-145-9013
NSN 4140-01-551-1125
NSN 6150-01-063-0063
NSN 6620-00-006-6418