The Shaft,shouldered, cataloged under National Stock Number 3040-01-283-6771, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Meggitt Safety Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-283-6771 |
| Primary Part Number | 40003830 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Step Quantity | 8 |
| First End Diameter | 0.2499 INCHES NOMINAL IN |
| Second End Diameter | 0.2870 INCHES NOMINAL IN |
| Largest Step Diameter | 0.670 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 0.3800 INCHES NOMINAL IN |
| Material Document and Classification | AMS5629 ASSN STD ALL MATERIAL RESPONSES |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | STEEL |
| 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 |
|---|---|
| 40003830 PRIMARY | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 40003830 | 5/9 Secondary reference Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County |
NSN 3040-01-283-6771 is a Shaft,shouldered, manufactured by Meggitt Safety Systems Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-283-6771 has 1 manufacturer part number on file: 40003830 (Meggitt Safety Systems Inc).
Key specifications for 40003830: Step Quantity: 8; First End Diameter: 0.2499 INCHES NOMINAL IN; Second End Diameter: 0.2870 INCHES NOMINAL IN; Largest Step Diameter: 0.670 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.
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.