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 7035-01-391-7470
NSN 6135-01-508-3784
NSN 5910-01-127-9383
NSN 5950-01-418-6340
NSN 5965-01-364-1232
NSN 5965-01-438-0647
NSN 6135-01-236-8603
NSN 5998-01-247-2341
NSN 6240-01-069-2688
NSN 4140-01-251-4367
NSN 6130-01-230-0144
NSN 5930-01-327-3227