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 6620-01-418-3245
NSN 6145-01-167-6564
NSN 4140-00-882-9358
NSN 5935-00-241-5474
NSN 6105-01-417-6277
NSN 5905-00-834-1602
NSN 5965-00-790-6539
NSN 6105-01-605-9341
NSN 5945-00-255-2033
NSN 6220-00-480-7722
NSN 4140-01-324-5374
NSN 5930-00-682-7581