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 5975-00-707-8036
NSN 5920-01-145-5362
NSN 5965-01-435-6644
NSN 4140-00-778-1836
NSN 6650-00-847-3492
NSN 5925-01-379-0451
NSN 6105-00-411-2654
NSN 6610-00-419-0315
NSN 6220-01-032-0877
NSN 6645-00-536-1555
NSN 5945-00-823-8652
NSN 6645-01-326-2560