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 5920-01-090-2445
NSN 6105-01-199-4871
NSN 5935-00-131-5369
NSN 5910-01-547-6581
NSN 6105-01-246-2210
NSN 7035-00-803-3056
NSN 2925-00-441-8252
NSN 6105-00-727-6337
NSN 5990-01-587-8562
NSN 5930-00-224-0378
NSN 6320-00-394-8458
NSN 5935-01-187-2698