The Shaft,shouldered, cataloged under National Stock Number 3040-01-134-2903, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Syn-Tech System, Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-134-2903 |
| Primary Part Number | 5076A107-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Syn-Tech System, Inc. |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| FSC Application Data | AMMO LOADING SYSTEM,A-10 ACFT |
| Step Quantity | 2 |
| First End Diameter | 0.7475 INCHES NOMINAL IN |
| Second End Diameter | 0.7475 INCHES NOMINAL IN |
| Largest Step Diameter | 0.746 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.4125 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Spline Major Diameter | 0.4993 INCHES NOMINAL IN |
| Material Document and Classification | AISI C1144 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.106 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 15 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL COMP 1144 |
| Second End Pitch Diameter | 0.46875 INCHES NOMINAL IN |
| External Keyway Length | 1.000 INCHES NOMINAL FIRST END IN |
| Second End Spline Length | 1.250 INCHES NOMINAL IN |
| First End Keyway Width | 0.1863 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM 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 |
|---|---|
| 5076A107-1 PRIMARY | Syn-Tech System, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5076A107 | D/9 Drawing number reference only Syn-Tech System, Inc. |
NSN 3040-01-134-2903 is a Shaft,shouldered, manufactured by Syn-Tech System, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-134-2903 has 1 manufacturer part number on file: 5076A107-1 (Syn-Tech System, Inc.).
Key specifications for 5076A107-1: Surface Finish: 63.0 MICROINCHES; FSC Application Data: AMMO LOADING SYSTEM,A-10 ACFT; Step Quantity: 2; First End Diameter: 0.7475 INCHES NOMINAL IN. 20 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.