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 5935-01-557-4943
NSN 5990-01-380-0650
NSN 6220-01-573-4361
NSN 5855-01-655-9531
NSN 4140-01-297-3262
NSN 6610-01-596-3254
NSN 6130-00-723-4119
NSN 5975-01-476-7146
NSN 4140-01-400-0643
NSN 5925-01-190-4474
NSN 5990-01-134-7756
NSN 7035-01-493-6389