The Shaft,shouldered, cataloged under National Stock Number 3040-00-169-0308, 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 Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-169-0308 |
| Primary Part Number | 1128NM40019-11 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Second End External Thread Length | 0.481 INCHES NOMINAL IN |
| Step Quantity | 11 |
| First End Diameter | 0.8140 INCHES NOMINAL IN |
| Second End Diameter | 0.5538 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.675 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| 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 |
|---|---|
| 1128NM40019-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1128NM40019-11 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| 1128NM40019-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1128NM40019 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 3040-00-169-0308 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-169-0308 has 2 manufacturer part numbers on file: 1128NM40019-11 (Northrop Grumman Systems Corporation), 1128NM40019-11 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for 1128NM40019-11: Second End External Thread Length: 0.481 INCHES NOMINAL IN; Step Quantity: 11; First End Diameter: 0.8140 INCHES NOMINAL IN; Second End Diameter: 0.5538 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN. 11 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.