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 5925-00-493-1881
NSN 5915-01-449-2994
NSN 5996-01-533-7803
NSN 5905-01-427-3804
NSN 7035-01-145-5059
NSN 5935-00-196-2293
NSN 2925-01-106-3552
NSN 6135-01-508-6083
NSN 6135-01-017-3001
NSN 6130-01-305-3346
NSN 6110-01-485-1622
NSN 6135-00-269-5843