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 6105-01-361-3270
NSN 4140-01-167-4399
NSN 5998-01-142-6202
NSN 5996-01-594-3091
NSN 6105-01-354-4432
NSN 5960-01-343-5912
NSN 6620-00-252-6425
NSN 5960-01-023-8800
NSN 5990-01-436-7191
NSN 6105-00-935-5256
NSN 6645-00-596-5388
NSN 5935-01-312-1628