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 5965-01-523-7796
NSN 5855-00-058-1293
NSN 6610-00-018-0683
NSN 5975-01-422-0784
NSN 5905-01-141-6628
NSN 6110-00-404-1790
NSN 5998-00-878-8877
NSN 5855-01-634-0259
NSN 5835-01-592-2350
NSN 5925-01-321-8068
NSN 6135-00-243-8330
NSN 5998-00-902-8693