The Shaft,shouldered, cataloged under National Stock Number 3040-01-428-3196, 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 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-428-3196 |
| Primary Part Number | 211069179 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Width Across Flats | 0.3800 INCHES NOMINAL IN |
| Second End Hole Diameter | 0.2470 INCHES NOMINAL IN |
| Second End External Thread Length | 0.8800 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 1.1250 INCHES NOMINAL IN |
| First End Step Length | 0.3800 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.1250 INCHES NOMINAL IN |
| First End Style | HEXAGONAL |
| Material Document and Classification | QQ-N-286 COND ANL FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.6180 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.5050 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.2000 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.8800 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED, CROSS DRILLED HOLE, AND EXTERNALLY THREADED |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 595-6401597-1 | Naval Sea Systems Command (USA) |
| 595-6401267 ITEM 19 | Naval Sea Systems Command (USA) |
| 211069179 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6401267 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6401597 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-428-3196 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-428-3196 has 3 manufacturer part numbers on file: 595-6401597-1 (Naval Sea Systems Command), 595-6401267 ITEM 19 (Naval Sea Systems Command), 211069179 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-430-5298, 5305-01-445-3344. Verify interchangeability with system specifications before substitution.
Key specifications for 211069179: First End Width Across Flats: 0.3800 INCHES NOMINAL IN; Second End Hole Diameter: 0.2470 INCHES NOMINAL IN; Second End External Thread Length: 0.8800 INCHES NOMINAL IN; Step Quantity: 2. 17 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.