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 6650-00-404-1788
NSN 5905-01-054-5411
NSN 5960-00-985-2783
NSN 5965-01-271-9990
NSN 5996-01-387-8279
NSN 6620-01-200-6493
NSN 6130-01-230-8110
NSN 5990-00-027-5689
NSN 5950-01-437-7445
NSN 5999-00-398-1583
NSN 5835-01-481-4204
NSN 5835-01-251-7301