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 5920-01-567-7924
NSN 6685-01-511-3277
NSN 6645-00-818-9408
NSN 6610-00-536-4977
NSN 5990-00-434-9348
NSN 5930-00-604-0487
NSN 5990-01-334-8634
NSN 6145-00-445-6809
NSN 5950-00-290-8090
NSN 6135-00-223-9563
NSN 6240-00-204-9355
NSN 5999-00-368-3863