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 6620-01-602-8402
NSN 5975-01-412-0782
NSN 5925-01-193-8369
NSN 6685-01-122-5957
NSN 6240-01-424-0980
NSN 6130-01-634-0603
NSN 6240-01-100-1279
NSN 6620-00-723-2075
NSN 5915-01-535-7478
NSN 5998-01-054-3344
NSN 5905-00-890-0757
NSN 2925-01-548-6674