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 5965-01-218-5003
NSN 6320-00-036-3688
NSN 5855-01-521-0681
NSN 6240-01-198-7929
NSN 6135-00-405-1989
NSN 6620-01-065-8265
NSN 5990-01-050-1102
NSN 6240-01-460-4996
NSN 5935-00-763-2538
NSN 5915-00-711-0388
NSN 5965-01-144-3001
NSN 5835-01-087-9515