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 6130-01-107-1144
NSN 5999-01-502-2633
NSN 5855-00-925-7887
NSN 6620-01-103-3556
NSN 5999-00-088-2003
NSN 7035-00-003-7518
NSN 5910-01-633-9963
NSN 4140-01-447-3141
NSN 5925-01-156-8026
NSN 5996-00-461-3416
NSN 6110-01-315-1122
NSN 6130-00-615-5727