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 5990-01-328-8225
NSN 5835-01-438-7899
NSN 7035-01-249-4547
NSN 6645-01-303-8336
NSN 5935-00-508-1285
NSN 2925-00-918-0859
NSN 6105-01-423-8819
NSN 6145-01-474-6440
NSN 6240-01-408-7335
NSN 5975-00-144-7878
NSN 6105-01-155-9347
NSN 5950-01-634-0677