The Shaft,shouldered, cataloged under National Stock Number 3040-01-377-4001, 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 16 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 | 3040-01-377-4001 |
| Primary Part Number | 6113523 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.4360 INCHES NOMINAL IN |
| Second End Diameter | 0.6840 INCHES NOMINAL IN |
| Largest Step Diameter | 0.6840 INCHES NOMINAL IN |
| First End External Thread Length | 0.5000 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Second End Groove Diameter | 0.5150 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.5000 INCHES NOMINAL IN |
| Second End Groove Width | 0.0790 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.0500 INCHES NOMINAL IN |
| First End Groove Diameter | 0.3160 INCHES NOMINAL IN |
| Second End Style | TWO CIRCULAR GROOVES |
| Material | STEEL COMP 440C |
| First End Groove Width | 0.1250 INCHES NOMINAL IN |
| Second End Distance Between First and Second Groove Centers | 0.1730 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6113523 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-377-4001 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-377-4001 has 1 manufacturer part number on file: 6113523 (Naval Sea Systems Command).
Key specifications for 6113523: Step Quantity: 4; First End Diameter: 0.4360 INCHES NOMINAL IN; Second End Diameter: 0.6840 INCHES NOMINAL IN; Largest Step Diameter: 0.6840 INCHES NOMINAL IN. 16 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 3040-01-377-4001 has DEMIL Code Q. 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.