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 6685-01-359-9731
NSN 5950-00-848-2141
NSN 5915-01-394-1586
NSN 6130-00-611-2447
NSN 6105-00-655-3083
NSN 5999-01-207-1563
NSN 5835-01-442-6482
NSN 7035-01-069-3537
NSN 5905-00-643-7660
NSN 5935-01-359-2065
NSN 5960-00-699-5743
NSN 5950-01-129-0094