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 7035-00-238-3662
NSN 5925-01-085-5526
NSN 6610-01-416-0652
NSN 6645-00-425-6199
NSN 4140-01-146-5409
NSN 5935-01-462-3267
NSN 6650-01-006-6066
NSN 5855-01-378-1888
NSN 5835-01-462-5983
NSN 6620-00-451-8783
NSN 6110-01-062-0252
NSN 6620-01-463-1373