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 6320-01-155-4807
NSN 5930-01-414-6663
NSN 5960-00-246-4623
NSN 5965-00-757-3403
NSN 5835-01-557-4914
NSN 6650-01-651-3713
NSN 5990-01-321-2997
NSN 6685-01-507-2688
NSN 5910-01-490-6288
NSN 6645-01-062-0905
NSN 6130-01-123-9041
NSN 6645-01-308-2260