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 6110-01-372-3392
NSN 6645-00-664-4665
NSN 5998-00-785-7911
NSN 5990-01-027-0568
NSN 6110-01-111-6415
NSN 5945-01-200-8520
NSN 5935-00-273-1649
NSN 6620-00-406-2914
NSN 6220-01-138-8532
NSN 5950-01-394-1737
NSN 5910-01-322-7924
NSN 5996-00-243-6571