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 5950-01-421-5567
NSN 4140-01-649-3960
NSN 5996-00-392-5443
NSN 5960-01-487-6436
NSN 5920-01-020-7659
NSN 5915-01-388-1341
NSN 6320-00-937-5625
NSN 5905-01-644-3685
NSN 6685-00-596-8765
NSN 5975-00-851-1842
NSN 6320-01-521-1764
NSN 5945-01-303-4850