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 5935-01-195-6095
NSN 6620-01-179-2657
NSN 6135-01-142-2417
NSN 4140-01-368-7097
NSN 5998-01-544-3932
NSN 5910-00-204-8078
NSN 2925-00-627-5397
NSN 5925-01-131-7582
NSN 6645-01-161-1707
NSN 6220-01-490-5681
NSN 6135-00-347-0595
NSN 2925-01-370-6898