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 5895-01-059-6980
NSN 5925-00-290-4451
NSN 5835-01-258-7866
NSN 5975-00-406-4753
NSN 5935-00-697-3479
NSN 5996-01-499-1900
NSN 6620-01-588-9278
NSN 6150-01-538-8850
NSN 5925-01-006-3311
NSN 5915-01-168-6570
NSN 6110-00-544-2527
NSN 6110-01-444-3302