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 6240-01-447-4003
NSN 5950-00-934-3543
NSN 6685-01-306-4747
NSN 5910-01-610-2912
NSN 5999-00-826-3975
NSN 6620-01-542-8709
NSN 6610-00-219-4150
NSN 6135-01-242-2304
NSN 5996-00-500-7328
NSN 6130-01-147-7869
NSN 4140-01-321-2558
NSN 6685-01-220-8616