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 5945-01-539-3095
NSN 5945-00-414-5175
NSN 5998-01-355-2868
NSN 5835-01-138-8622
NSN 5990-01-019-6609
NSN 6110-01-128-8583
NSN 6650-00-035-9297
NSN 6130-00-681-1496
NSN 5935-01-052-7727
NSN 6620-00-244-8020
NSN 7035-01-144-6408
NSN 5835-00-233-6327