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 6620-01-111-9064
NSN 5905-00-679-9970
NSN 5925-01-169-8205
NSN 6620-01-241-4881
NSN 5935-00-342-9426
NSN 5835-00-479-0464
NSN 6240-01-205-4784
NSN 6135-01-422-1440
NSN 6620-01-304-4747
NSN 5935-00-962-0421
NSN 6610-01-623-6228
NSN 5990-01-527-4868