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 5915-00-522-1927
NSN 4140-00-044-1329
NSN 6645-01-318-1874
NSN 6620-01-451-3742
NSN 5835-01-412-6901
NSN 6135-00-351-8606
NSN 6645-01-250-2702
NSN 6110-01-320-8483
NSN 5945-01-058-7500
NSN 6105-00-348-7332
NSN 5996-01-353-9261
NSN 5996-01-215-2769