The Gearshaft,spur, cataloged under National Stock Number 3040-01-386-4647, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-386-4647 |
| Primary Part Number | 43042-212-00086-10 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 8620 |
| Shaft Largest Diameter | 2.251 INCHES NOMINAL IN |
| Shaft End Size | 1.377 INCHES IN |
| Teeth Quantity | 15 |
| Diametral Pitch | 6 |
| Precision Classification | QUALITY NUMBER 10 |
| Gear Outside Diameter | 2.828 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 8620 |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 1.750 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 |
|---|---|
| 43042-212-00086-10 PRIMARY | Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic (USA) |
| Reference | Meaning |
|---|---|
| 43042-212-00086 | D/9 Drawing number reference only Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic |
NSN 3040-01-386-4647 is a Gearshaft,spur, manufactured by Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-386-4647 has 1 manufacturer part number on file: 43042-212-00086-10 (Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic).
Key specifications for 43042-212-00086-10: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 8620; Shaft Largest Diameter: 2.251 INCHES NOMINAL IN; Shaft End Size: 1.377 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.