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 4140-01-025-9699
NSN 6320-01-228-2380
NSN 6130-00-089-0402
NSN 6135-01-551-0562
NSN 6240-01-326-6937
NSN 5855-01-324-3756
NSN 6105-00-217-8990
NSN 5998-01-596-2649
NSN 5915-01-347-0104
NSN 5910-01-300-1509
NSN 5990-01-641-5782
NSN 7035-00-329-4015