The Gearshaft,spur, cataloged under National Stock Number 3040-01-216-0944, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-216-0944 |
| Primary Part Number | 845-5765823-0006 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 630 |
| Shaft Largest Diameter | 0.560 INCHES NOMINAL IN |
| Shaft End Size | 0.312 INCHES AND 0.436 INCHES IN |
| Teeth Quantity | 12 |
| Diametral Pitch | 12 |
| Gear Outside Diameter | 1.130 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 3.026 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 630 |
| Shaft End Type | PLAIN AND THREADED EXTERNAL |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.480 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 |
|---|---|
| 845-5765823-0006 | Naval Sea Systems Command (USA) |
| 845-5765824-0004 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 845-5765823 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2642-343-12 ITEM 6 | 3/2 Design control — primary reference U.S. Government activity |
| 2642-343-12 | D/9 Drawing number reference only U.S. Government activity |
| 2642-343-13 | D/9 Drawing number reference only U.S. Government activity |
| 576584-0006 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 845-5765824 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2642-343-13 ITEM 6 | 5/2 Secondary reference U.S. Government activity |
| 2642-343-12 ITEM 6 | 5/9 Secondary reference Gould & Eberhardt Gear Mchy |
| 2642-343-12 ITEM 6 | 5/9 Secondary reference Advance Gear & Machine Corp. |
NSN 3040-01-216-0944 is a Gearshaft,spur, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-216-0944 has 2 manufacturer part numbers on file: 845-5765823-0006 (Naval Sea Systems Command), 845-5765824-0004 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-216-2657. Verify interchangeability with system specifications before substitution.
Key specifications for 845-5765823-0006: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 630; Shaft Largest Diameter: 0.560 INCHES NOMINAL IN; Shaft End Size: 0.312 INCHES AND 0.436 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.