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 5945-00-442-5203
NSN 5905-00-517-9589
NSN 6135-01-167-7604
NSN 6110-01-393-6992
NSN 5855-01-532-7513
NSN 6105-01-596-4439
NSN 5960-01-470-1579
NSN 5920-00-097-1108
NSN 5835-00-478-6508
NSN 6110-01-553-4191
NSN 6145-00-419-5928
NSN 5990-01-318-3238