The Cummins/Onan NB-MS engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 815-147 | Screw, Retainer - Phillips Flat Head (#6-32 x 5/80) | bolt |
| 149A582 | Diaphragm Assy. | diaphragm |
| 149A3 | Gasket, Fuel Pump Mtg. 45 502-3 ! Connector, Fue! Filter | gasket |
| 149A858 | Gasket, Fuel Pump Mounting | gasket |
| 149A95 | Gasket, Valve | gasket |
| 141-712 | Jet Assy., Main (Adjustable) | jet |
| 870-131 | Nut, Speed Adjusting | nut |
| 134A2100 | other_service | |
| 134C2047 | Cover, Cylinder Air Housing | other_service |
| 134C2049 | Housing, Blower | other_service |
| 134C204S | Housing, Cylinder Air | other_service |
| 1410772 | For NB-MSI 1847 A | other_service |
| 1410781 | For NB-MSI 1846A | other_service |
| 141A77 | other_service | |
| 141P698 | other_service | |
| 141P742 | Shaft, Choke | other_service |
| 141P771 | For NB-MS/1847A | other_service |
| 141P786 | Needle, Idle Adjusting | other_service |
| 150BI270 | Bracket, Speed Adjusting | other_service |
| 54A733 | other_service | |
| Is2AI55 | Swivel, Governor Control Arm | other_service |
| IsOA96 | Stud, Speed Adjusting | other_service |
| 516AI13 | Pin, Rocker Arm | pin |
| 1490125 | Pump, Fuel - Complete | pump |
| 526A63 | Washer, Fuel Pump Mtg. | pump |
| 141P203I | Retainer, Felt Seal | retainer |
| 141P705 | Retainer, Seal | retainer |
| 149A539 | Retainer, Valve Cage | retainer |
| 141-661 | Seal, Rubber | seal |
| 149A672 | Spring, Diaphragm | spring |
| 149A675 | Spring, Rocker Arm | spring |
| IsOAI044 | Spring, Governor | spring |
| 141P704 | Valve Seat Assembly, Fuel | valve |
| 149-96 | Valve and Cage | valve |
| 141P703 | Washer, Fuel Valve Seat | washer |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.