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 5999-00-914-5269
NSN 5999-01-053-4223
NSN 5998-00-161-2810
NSN 5935-01-022-9640
NSN 5910-00-008-8789
NSN 5895-00-146-1809
NSN 6135-00-752-1589
NSN 5996-00-052-7801
NSN 6105-01-104-3489
NSN 6150-01-411-5624
NSN 6610-00-256-8006
NSN 6145-01-628-6457