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 5915-00-829-0035
NSN 6645-01-077-4934
NSN 5920-00-106-1454
NSN 5925-00-242-2583
NSN 6110-01-037-7368
NSN 5910-01-140-7465
NSN 2925-00-071-4197
NSN 5998-01-391-9819
NSN 5965-01-175-2564
NSN 6320-01-198-4024
NSN 6620-00-067-4946
NSN 5945-01-199-7108