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 5999-01-293-1015
NSN 6145-01-407-1696
NSN 5855-01-236-9645
NSN 5945-01-352-3211
NSN 4140-01-120-1564
NSN 5910-00-823-6310
NSN 5925-00-275-7599
NSN 5960-01-564-5044
NSN 5998-01-108-4382
NSN 5935-01-517-8521
NSN 6685-01-055-9643
NSN 5945-01-438-8981