The Shaft,shouldered, cataloged under National Stock Number 3040-01-327-2687, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rockford Powertrain Inc Div Powertrain Rockford, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-327-2687 |
| Primary Part Number | 2-778-249-06230 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 1.3778 INCHES NOMINAL IN |
| Second End Diameter | 3.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 3.375 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.7510 INCHES NOMINAL IN |
| Material Document and Classification | AISI-S-444 FED STD SINGLE MATERIAL RESPONSE |
| Second End Keyway Depth | 0.2550 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 8.5000 INCHES NOMINAL SECOND END 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 |
|---|---|
| 2-778-249-06230 PRIMARY | Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA) |
| Reference | Meaning |
|---|---|
| PT-729-4 | D/9 Drawing number reference only Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
| 4-410-140 ITEM 008 | 5/9 Secondary reference Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
NSN 3040-01-327-2687 is a Shaft,shouldered, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-327-2687 has 1 manufacturer part number on file: 2-778-249-06230 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.).
Key specifications for 2-778-249-06230: Step Quantity: 4; First End Diameter: 1.3778 INCHES NOMINAL IN; Second End Diameter: 3.0000 INCHES NOMINAL IN; Largest Step Diameter: 3.375 INCHES NOMINAL IN. 12 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.