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 5965-00-087-6767
NSN 5990-01-031-4130
NSN 6135-01-351-2690
NSN 6130-01-222-0475
NSN 5999-01-222-7207
NSN 5915-01-249-8190
NSN 6220-01-613-2584
NSN 5965-01-058-9785
NSN 6130-01-175-3531
NSN 6105-00-288-5872
NSN 5930-00-763-9061
NSN 5920-01-579-2153