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 5975-01-303-5095
NSN 6645-00-078-5126
NSN 5998-01-187-8274
NSN 4140-00-359-5021
NSN 6240-00-981-8218
NSN 6220-00-451-8760
NSN 2925-01-442-0878
NSN 6220-00-510-7899
NSN 5945-01-156-5682
NSN 5925-01-517-1171
NSN 5895-00-772-2017
NSN 5915-00-279-2973