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 6105-00-581-9479
NSN 5965-00-583-4865
NSN 5835-01-125-2558
NSN 5999-01-108-9214
NSN 6685-01-554-6579
NSN 6240-01-257-9004
NSN 5930-00-900-5460
NSN 6645-01-463-3441
NSN 6240-01-539-8227
NSN 5910-01-430-0017
NSN 5905-00-272-9259
NSN 5975-01-645-8473