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 2925-01-091-4734
NSN 5935-01-421-9819
NSN 5905-01-141-5529
NSN 5905-01-010-4619
NSN 5990-01-085-9117
NSN 6685-00-959-6767
NSN 6145-00-951-9971
NSN 5945-01-431-8124
NSN 5915-01-069-2050
NSN 4140-00-713-9320
NSN 2925-00-157-1602
NSN 6135-01-399-8230