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 5998-01-299-6800
NSN 5960-00-171-9575
NSN 6320-00-553-8427
NSN 5998-00-225-8522
NSN 5910-01-290-2313
NSN 6240-01-644-7623
NSN 5999-00-585-3338
NSN 5950-00-448-9316
NSN 7035-00-523-7492
NSN 5835-01-171-9126
NSN 6320-01-407-4411
NSN 6645-01-587-4642