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 2925-01-190-7820
NSN 5905-00-887-7319
NSN 6130-00-123-1613
NSN 6145-01-105-2003
NSN 6620-01-062-1662
NSN 5905-01-569-2318
NSN 5930-01-087-4878
NSN 6620-01-418-3245
NSN 2925-01-510-9378
NSN 5965-00-177-2932
NSN 5935-01-081-2135
NSN 5910-01-427-3819