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 2925-00-406-4381
NSN 5855-01-440-1768
NSN 6645-01-593-3608
NSN 6145-00-466-4068
NSN 5945-00-287-8022
NSN 7035-01-420-5404
NSN 5935-00-587-5021
NSN 2925-00-870-2372
NSN 5960-01-589-6846
NSN 5985-01-025-1951
NSN 5925-01-385-3285
NSN 6135-00-110-1981