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 6135-01-131-7064
NSN 5998-01-458-7130
NSN 5855-00-167-7893
NSN 6220-01-051-1298
NSN 6220-01-315-2718
NSN 5915-01-451-8975
NSN 5998-01-424-1009
NSN 6110-00-500-4914
NSN 5905-01-100-3374
NSN 5910-01-171-7001
NSN 5975-00-505-2626
NSN 5960-01-372-2904