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 6150-01-551-2708
NSN 2925-01-633-4048
NSN 6650-01-263-5412
NSN 5910-01-495-1306
NSN 5998-01-449-0099
NSN 6610-01-267-3678
NSN 6130-01-618-3628
NSN 5925-01-088-6863
NSN 5985-01-292-3049
NSN 5895-01-249-0363
NSN 5935-00-204-9909
NSN 5930-01-435-5288