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 6645-01-008-2720
NSN 6110-01-009-6260
NSN 5930-01-436-2489
NSN 6620-00-652-9696
NSN 5990-00-467-7431
NSN 7035-00-470-4977
NSN 5835-01-030-2519
NSN 5910-00-470-6617
NSN 5905-00-221-5860
NSN 5990-01-377-7762
NSN 5996-01-244-7128
NSN 5945-01-466-0376