The Shaft,straight, cataloged under National Stock Number 3040-01-294-4385, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-294-4385 |
| Primary Part Number | 135B5909-3 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End Hole Diameter | 0.1870 INCHES NOMINAL IN |
| First End Diameter | 0.4355 INCHES NOMINAL IN |
| Second End Diameter | 0.4355 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 1.360 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 4140 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 135B5909-3 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| 135B5909 | D/9 Drawing number reference only General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
NSN 3040-01-294-4385 is a Shaft,straight, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-294-4385 has 1 manufacturer part number on file: 135B5909-3 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 135B5909-3: Surface Finish: 125.0 MICROINCHES; Second End Hole Diameter: 0.1870 INCHES NOMINAL IN; First End Diameter: 0.4355 INCHES NOMINAL IN; Second End Diameter: 0.4355 INCHES NOMINAL IN. 10 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 3040-01-294-4385 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.