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 5910-00-092-2175
NSN 6320-01-252-2307
NSN 6110-01-070-3780
NSN 5950-00-998-1971
NSN 5999-01-256-2398
NSN 6130-01-292-2527
NSN 5990-00-327-4006
NSN 6320-00-089-9426
NSN 6240-00-416-6140
NSN 2925-01-014-8007
NSN 5925-00-071-9844
NSN 6145-01-227-0659