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 6620-01-201-4177
NSN 5920-01-627-3479
NSN 6620-00-876-0776
NSN 5935-01-367-2822
NSN 6105-00-197-8671
NSN 6130-01-423-2844
NSN 6130-01-278-9305
NSN 5965-01-399-8454
NSN 6110-01-035-9228
NSN 5835-01-446-6065
NSN 6645-00-871-1187
NSN 6130-01-371-2417