The Shaft,shouldered, cataloged under National Stock Number 3040-01-198-2672, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-198-2672 |
| Primary Part Number | 1210D2798 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Second End External Thread Length | 0.320 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 1.9980 INCHES NOMINAL IN |
| Second End Diameter | 1.1250 INCHES NOMINAL IN |
| Largest Step Diameter | 1.998 INCHES NOMINAL IN |
| First End Hole Depth | 0.500 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL CORROSION RESISTING |
| First End Distance From Hole Center to End | 0.240 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1210D2798 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 1213E2815 FIND 14 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1213E2815 FIND 14 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1210D2798 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 3040-01-198-2672 is a Shaft,shouldered, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-198-2672 has 2 manufacturer part numbers on file: 1210D2798 (Lockheed Martin Corporation Div Rms), 1213E2815 FIND 14 (Lockheed Martin Corporation Div Rms).
Key specifications for 1210D2798: Second End External Thread Length: 0.320 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 1.9980 INCHES NOMINAL IN; Second End Diameter: 1.1250 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.