The Gearshaft,spur, cataloged under National Stock Number 3040-01-246-7651, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-246-7651 |
| Primary Part Number | 1395AS211 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 4340 OR STEEL COMP 4130 OR STEEL COMP 4140 |
| Shaft Largest Diameter | 1.000 INCHES NOMINAL IN |
| Shaft End Size | 0.749 INCHES IN |
| Teeth Quantity | 24 |
| Diametral Pitch | 16 |
| Gear Outside Diameter | 1.625 INCHES NOMINAL IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Gear Material | STEEL COMP 4340 OR STEEL COMP 4130 OR STEEL COMP 4140 |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.370 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-246-7651 is a Gearshaft,spur, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-246-7651 has 3 manufacturer part numbers on file: 1395AS211 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 1395AS211 (Vermont Aerospace Industries, Llc), 1395AS211 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1395AS211: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 4340 OR STEEL COMP 4130 OR STEEL COMP 4140; Shaft Largest Diameter: 1.000 INCHES NOMINAL IN; Shaft End Size: 0.749 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.
NSN 3040-01-246-7651 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.