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 5930-00-554-1064
NSN 5925-01-050-6571
NSN 6145-00-445-7839
NSN 5930-01-561-0571
NSN 2925-00-628-5610
NSN 5925-01-171-1833
NSN 5945-01-307-4456
NSN 6620-00-458-5301
NSN 2925-00-580-4931
NSN 4140-01-263-9065
NSN 6685-01-423-7767
NSN 5930-00-087-6348