The Gearshaft,spur, cataloged under National Stock Number 3040-01-352-9140, 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 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-352-9140 |
| Primary Part Number | 1387210 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL CORROSION RESISTING |
| Shaft Largest Diameter | 0.310 INCHES NOMINAL IN |
| Shaft End Size | 0.196 INCHES IN |
| Teeth Quantity | 24 |
| Diametral Pitch | 84 |
| Precision Classification | QUALITY NUMBER 12 |
| Gear Outside Diameter | 0.311 INCHES NOMINAL IN |
| Gear Material | STEEL CORROSION RESISTING |
| Shaft End Type | CIRCULAR GROOVED |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 15.0000 DEGREES |
| Face Width | 0.450 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 |
|---|---|
| 1387210 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 5198319 | D/9 Drawing number reference only Naval Sea Systems Command |
| 1387210 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 3040-01-352-9140 is a Gearshaft,spur, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-352-9140 has 1 manufacturer part number on file: 1387210 (Lockheed Martin Corporation Div Rms).
Key specifications for 1387210: Shaft Type: SHOULDERED; Shaft Material: STEEL CORROSION RESISTING; Shaft Largest Diameter: 0.310 INCHES NOMINAL IN; Shaft End Size: 0.196 INCHES IN. 13 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.