Rider ring; polycomp 148
No other part numbers with same form, fit, and function found.
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 6650-01-608-4820
NSN 6240-00-926-6914
NSN 5990-01-493-4039
NSN 6130-01-322-1797
NSN 6135-01-465-7608
NSN 7035-01-474-9537
NSN 6685-01-063-1165
NSN 5915-01-597-3703
NSN 6650-01-574-0019
NSN 6620-01-180-2687
NSN 6130-01-646-8536
NSN 6110-01-144-9261