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 6320-01-416-9357
NSN 2925-01-429-2235
NSN 6685-00-923-4177
NSN 5998-01-335-9543
NSN 5935-01-323-5747
NSN 6320-00-456-2092
NSN 2925-01-152-8618
NSN 5920-01-413-0022
NSN 5930-00-153-4792
NSN 6135-00-715-4001
NSN 6620-01-503-6576
NSN 6650-01-600-8882