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 6145-01-274-6190
NSN 5965-01-398-9579
NSN 5996-01-255-6867
NSN 6645-01-453-8273
NSN 5855-01-604-4161
NSN 6320-00-681-1324
NSN 5990-00-269-2226
NSN 5985-01-444-1065
NSN 5910-01-463-9061
NSN 5905-00-905-9756
NSN 6145-01-263-3902
NSN 7035-01-445-3563