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 6110-00-632-6078
NSN 6650-01-575-1044
NSN 6685-00-269-6444
NSN 6220-00-823-6688
NSN 6130-01-252-8823
NSN 6620-00-351-9949
NSN 5935-01-501-9608
NSN 5855-00-160-2286
NSN 4140-00-724-6337
NSN 6320-00-456-0836
NSN 6150-00-374-9318
NSN 6105-01-602-5309