The Shaft,shouldered, cataloged under National Stock Number 3040-01-406-1944, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-406-1944 |
| Primary Part Number | DAA7278D084-003 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2010 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN |
| Step Quantity | 3 |
| First End Diameter | 0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN |
| Second End Diameter | 0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.247 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Second End Distance From Keyway Center to End | 2.300 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.1863 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN |
| Second End Distance From Hole Center to End | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Second End Hole Depth | 0.994 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | WOODRUFF KEYWAY AND CROSS DRILLED |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| DAA7278D084-003 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 3040-01-406-1944 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-406-1944 has 1 manufacturer part number on file: DAA7278D084-003 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for DAA7278D084-003: Second End Hole Diameter: 0.2010 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN; Step Quantity: 3; First End Diameter: 0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN; Second End Diameter: 0.9940 INCHES MINIMUM AND 0.9980 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.