The Shaft,shouldered, cataloged under National Stock Number 3040-00-450-7288, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 19 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 | 3040-00-450-7288 |
| Primary Part Number | 116C3416 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.4993 INCHES MINIMUM AND 0.4998 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.660 INCHES NOMINAL IN |
| Second End Diameter | 0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.620 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 0.690 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY |
| Second End Keyway Width | 0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.4660 INCHES MINIMUM AND 0.4700 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.093 INCHES NOMINAL IN |
| Second End Groove Width | 0.0390 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.083 INCHES NOMINAL IN |
| Second End Style | WOODRUFF KEYWAY AND CIRCULAR GROOVED |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 |
| External Keyway Length | 0.500 INCHES NOMINAL SECOND END IN |
| External Keyway Length | 0.500 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM 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 |
|---|---|
| 116C3416 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 3040-00-450-7288 is a Shaft,shouldered, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-450-7288 has 1 manufacturer part number on file: 116C3416 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 116C3416: Step Quantity: 3; First End Diameter: 0.4993 INCHES MINIMUM AND 0.4998 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 0.660 INCHES NOMINAL IN; Second End Diameter: 0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. 19 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.