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 5960-01-506-7039
NSN 5935-00-167-8028
NSN 5855-00-688-9954
NSN 5935-01-630-1470
NSN 5835-01-580-0446
NSN 5935-00-198-4462
NSN 5935-01-188-4148
NSN 5960-01-170-4057
NSN 6320-01-429-9871
NSN 4140-00-490-9028
NSN 2925-00-964-7128
NSN 5985-00-844-5436