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 6145-01-042-4621
NSN 6685-00-187-1058
NSN 6145-01-623-2790
NSN 6620-01-145-0494
NSN 7035-00-897-7567
NSN 5990-00-464-6385
NSN 5935-01-462-1867
NSN 5960-01-003-8480
NSN 5915-01-509-9554
NSN 5925-01-298-7163
NSN 5996-01-315-3002
NSN 5930-00-288-1882