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 5945-00-655-4444
NSN 2925-01-571-6472
NSN 5835-00-191-4793
NSN 6685-00-327-2957
NSN 7035-01-103-3342
NSN 5945-01-322-7570
NSN 5930-01-356-0628
NSN 6130-00-662-8557
NSN 5990-01-089-2652
NSN 6110-00-594-7640
NSN 5960-01-003-8480
NSN 6610-01-170-2905