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 6650-01-333-6641
NSN 5985-01-391-3860
NSN 5935-01-214-4164
NSN 6320-01-286-9068
NSN 6645-00-572-2535
NSN 5905-01-148-3945
NSN 5895-01-242-5751
NSN 5910-00-500-0192
NSN 6110-01-145-7839
NSN 5975-01-312-4136
NSN 6110-01-182-0530
NSN 5925-01-370-1818