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 5935-01-564-8511
NSN 6130-00-082-1262
NSN 4140-00-428-7589
NSN 7035-00-337-8745
NSN 2925-00-480-9068
NSN 5990-01-209-3955
NSN 6220-00-251-5600
NSN 5945-01-380-2645
NSN 5965-01-342-2865
NSN 5945-00-070-2271
NSN 6620-01-186-4374
NSN 5975-00-372-6265