The Gearshaft,spur, cataloged under National Stock Number 3040-00-815-7530, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-815-7530 |
| Primary Part Number | 624405 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL CORROSION RESISTING |
| Shaft Largest Diameter | 0.1556 INCHES MINIMUM AND 0.1588 INCHES MAXIMUM IN |
| Shaft End Size | 0.093 INCHES IN |
| Teeth Quantity | 20 |
| Diametral Pitch | 120 |
| Gear Outside Diameter | 0.1833 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 0.295 INCHES NOMINAL IN |
| Gear Material | STEEL CORROSION RESISTING |
| Shaft End Type | CIRCULAR GROOVED |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.180 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 |
|---|---|
| 624405 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 3040-00-815-7530 is a Gearshaft,spur, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-815-7530 has 1 manufacturer part number on file: 624405 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 624405: Shaft Type: SHOULDERED; Shaft Material: STEEL CORROSION RESISTING; Shaft Largest Diameter: 0.1556 INCHES MINIMUM AND 0.1588 INCHES MAXIMUM IN; Shaft End Size: 0.093 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.