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 6110-01-361-1837
NSN 6105-01-359-9504
NSN 5910-00-596-3179
NSN 2925-01-444-2061
NSN 5930-01-398-9576
NSN 6240-00-247-7358
NSN 5835-01-446-6065
NSN 6650-01-642-0367
NSN 5925-01-608-7747
NSN 4140-00-062-1335
NSN 5965-00-463-3900
NSN 5945-01-487-5208