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 5935-00-296-8999
NSN 6135-01-162-0943
NSN 5985-01-619-1713
NSN 5920-01-408-8340
NSN 5996-01-541-5593
NSN 5910-01-598-9403
NSN 5999-01-456-9333
NSN 6130-01-422-4210
NSN 6145-01-025-6514
NSN 5855-01-277-1663
NSN 5855-01-290-3248
NSN 5920-01-650-4083