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 5930-01-457-2115
NSN 5996-01-632-5951
NSN 5990-01-510-1430
NSN 5965-01-490-6704
NSN 6610-00-980-0518
NSN 2925-01-263-9433
NSN 5965-01-355-7164
NSN 5920-01-052-9152
NSN 5855-00-057-6900
NSN 5998-00-157-6975
NSN 5999-00-701-4049
NSN 5925-01-646-3988