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 5910-01-300-6794
NSN 5910-00-834-2786
NSN 5950-01-536-9618
NSN 5935-00-526-0540
NSN 5998-01-215-2482
NSN 6105-01-618-4119
NSN 5945-01-095-4532
NSN 6610-01-322-4331
NSN 5925-01-376-9784
NSN 6320-00-937-5625
NSN 6135-01-565-3284
NSN 5965-01-551-1900