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 6240-01-368-6248
NSN 6220-00-901-2097
NSN 5999-01-464-0105
NSN 5990-01-191-9624
NSN 6105-00-807-0713
NSN 6220-01-492-6920
NSN 2925-00-233-5644
NSN 6645-01-039-0058
NSN 5985-00-728-9595
NSN 2925-00-400-5634
NSN 5975-00-006-2049
NSN 6320-01-397-9995