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 6220-01-580-1499
NSN 6145-01-075-8265
NSN 5925-00-130-2586
NSN 5998-00-389-8858
NSN 5990-01-321-2997
NSN 6150-00-953-2370
NSN 4140-01-608-4315
NSN 5930-01-205-1842
NSN 5975-01-465-6886
NSN 6150-01-626-3682
NSN 6105-01-453-7583
NSN 5998-01-218-8651