The Shaft,shouldered, cataloged under National Stock Number 3040-01-353-7490, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Wiggins Lift Co Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-353-7490 |
| Primary Part Number | 121783 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Wiggins Lift Co Inc |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 1.6530 INCHES MINIMUM AND 1.6535 INCHES MAXIMUM IN |
| Second End Diameter | 1.3580 INCHES MINIMUM AND 1.3630 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.735 INCHES MINIMUM AND 1.745 INCHES MAXIMUM IN |
| Second End Distance Between Second and Third Groove Centers | 0.2040 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 1.2000 INCHES MINIMUM AND 1.2100 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0940 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.2190 INCHES NOMINAL IN |
| Second End Style | THREE CIRCULAR GROOVES |
| Material | STEEL CORROSION RESISTING |
| Second End Distance Between First and Second Groove Centers | 0.2660 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 |
| Part Number | Manufacturer |
|---|---|
| 121783 PRIMARY | Wiggins Lift Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1008-067-004 | D/9 Drawing number reference only Liberty Ventures Inti, Llc |
NSN 3040-01-353-7490 is a Shaft,shouldered, manufactured by Wiggins Lift Co Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-353-7490 has 1 manufacturer part number on file: 121783 (Wiggins Lift Co Inc).
Key specifications for 121783: Step Quantity: 5; First End Diameter: 1.6530 INCHES MINIMUM AND 1.6535 INCHES MAXIMUM IN; Second End Diameter: 1.3580 INCHES MINIMUM AND 1.3630 INCHES MAXIMUM IN; Largest Step Diameter: 1.735 INCHES MINIMUM AND 1.745 INCHES MAXIMUM IN. 13 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.