Industrial M1418 Compression Nut For R40A R70A

Industrial M1418 Compression Nut for R40A/R70A is a Champion/Gardner Denver replacement part designed for two‑stage Champion air compressors. The M1418 nut is listed as an OEM compression nut in Champion repair and parts literature for models R40A and R70A, and is cross‑referenced by distributors (including Speedaire/Grainger) as compatible with PL40, PL70, R40, and R70 configurations. As a compression nut, it serves as the clamping component that seals a compression‑style tubing connection between the interconnection fittings inside the R‑series unit. This part is intended for use with Champion R40A and R70A pumps and is documented across multiple manuals and catalogs to aid correct replacement during service or rebuilds. Use of the M1418 ensures continuity of the compression connection critical to the unit’s intertube routing and overall reliability of the R40A/R70A system.