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 6320-01-425-1417
NSN 7035-01-169-6551
NSN 6620-01-155-3062
NSN 6110-00-731-3801
NSN 6620-01-565-4493
NSN 5985-00-930-1092
NSN 5996-00-764-6258
NSN 5990-01-012-8062
NSN 2925-00-816-8765
NSN 6145-01-177-1842
NSN 5905-01-304-2280
NSN 6150-01-043-0155