The Gearshaft,spur, cataloged under National Stock Number 3040-01-442-3518, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-442-3518 |
| Primary Part Number | 6736811 |
| 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 |
| Shaft Largest Diameter | 0.623 INCHES NOMINAL IN |
| Shaft End Size | 0.375 INCHES AND 0.406 INCHES IN |
| Teeth Quantity | 35 |
| Diametral Pitch | 24 |
| Precision Classification | QUALITY NUMBER 7 |
| Gear Outside Diameter | 1.542 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 2.380 INCHES NOMINAL IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Gear Material | STEEL |
| Shaft End Type | CIRCULAR GROOVED, SPLINED INVOLUTE AND PLAIN |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.340 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 |
NSN 3040-01-442-3518 is a Gearshaft,spur, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-442-3518 has 2 manufacturer part numbers on file: 6736811 (Southern Gear & Machine Inc), 6736811 (Naval Sea Systems Command).
Key specifications for 6736811: Shaft Type: SHOULDERED; Shaft Material: STEEL; Shaft Largest Diameter: 0.623 INCHES NOMINAL IN; Shaft End Size: 0.375 INCHES AND 0.406 INCHES IN. 15 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.