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 6130-01-040-4438
NSN 6110-00-299-3553
NSN 5895-01-328-4981
NSN 5915-01-124-8069
NSN 2925-01-030-6580
NSN 6145-01-225-6650
NSN 5999-01-064-6175
NSN 6220-01-066-0310
NSN 5945-01-529-1994
NSN 6320-01-237-9746
NSN 5960-00-866-0232
NSN 5935-01-408-5988