The Gearshaft,spur, cataloged under National Stock Number 3040-01-209-2359, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hersey Measurement Co Div of Miller Industries Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-209-2359 |
| Primary Part Number | 51025G012 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hersey Measurement Co Div of Miller Industries Inc |
| Status | ACTIVE |
| Shaft Material | STEEL CORROSION RESISTING |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Teeth Quantity | 50 |
| Diametral Pitch | 24 |
| Gear Outside Diameter | 2.166 INCHES NOMINAL IN |
| Gear Material | COPPER ALLOY |
| Pressure Angle | 14.0500 DEGREES |
| Face Width | 0.219 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 |
|---|---|
| 51025G012 PRIMARY | Hersey Measurement Co Div of Miller Industries Inc (USA) |
| BDN507B PIECE 15 | Hersey Measurement Co Div of Miller Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 3197953 | D/9 Drawing number reference only U.S. Government activity |
| BDN507B15 | C/1 Advisory reference — outside the item-of-supply concept Hersey Measurement Co Div of Miller Industries Inc |
NSN 3040-01-209-2359 is a Gearshaft,spur, manufactured by Hersey Measurement Co Div of Miller Industries Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-209-2359 has 2 manufacturer part numbers on file: 51025G012 (Hersey Measurement Co Div of Miller Industries Inc), BDN507B PIECE 15 (Hersey Measurement Co Div of Miller Industries Inc).
Key specifications for 51025G012: Shaft Material: STEEL CORROSION RESISTING; Shaft Diameter: 0.125 INCHES NOMINAL IN; Teeth Quantity: 50; Diametral Pitch: 24. 8 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.