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 5945-01-388-4083
NSN 5925-00-776-2620
NSN 6150-01-164-9326
NSN 5975-01-121-1596
NSN 5990-01-498-0641
NSN 5910-00-791-2643
NSN 5935-00-503-2695
NSN 5985-00-355-2867
NSN 6645-00-287-9192
NSN 5960-00-453-7846
NSN 5835-01-209-6410
NSN 6110-01-023-0715