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 6135-00-862-5736
NSN 5915-01-276-9951
NSN 5925-01-564-4645
NSN 6110-00-452-9148
NSN 6320-01-355-2929
NSN 5965-01-092-2698
NSN 6645-00-434-8793
NSN 5990-01-437-4876
NSN 6240-01-543-9591
NSN 6620-01-514-7786
NSN 5915-01-016-6341
NSN 4140-01-285-6457