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 5835-01-510-1873
NSN 5960-00-710-2769
NSN 5920-01-100-5571
NSN 6220-00-643-4045
NSN 7035-01-578-6909
NSN 5996-01-462-0112
NSN 5905-00-107-8555
NSN 6150-00-957-6394
NSN 6220-01-123-7796
NSN 5935-00-179-0645
NSN 6645-00-397-2210
NSN 5960-01-258-0814