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 6645-00-105-4399
NSN 5915-01-290-9833
NSN 6105-01-247-8464
NSN 5960-01-613-6113
NSN 4140-01-386-4959
NSN 5945-01-065-3710
NSN 6130-01-543-3755
NSN 5930-01-646-2315
NSN 5950-01-337-3403
NSN 6240-01-633-9357
NSN 5935-00-051-4231
NSN 6130-00-879-6532