The Shaft,shouldered, cataloged under National Stock Number 3040-01-152-0644, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Precision Gear Industries Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-152-0644 |
| Primary Part Number | 42312-347 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Precision Gear Industries Llc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| First End Pitch Diameter | 1.7000 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 1.7500 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.750 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| Material Document and Classification | AMS 6265C,COMP 9310 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Spline Quantity | 34 |
| End Similarity | NOT IDENTICAL |
| First End Spline Minor Diameter | 1.5840 INCHES MINIMUM IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42312-347 | Precision Gear Industries Llc (USA) |
| 42312-347 | Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc (USA) |
| Reference | Meaning |
|---|---|
| 42312-347 | 3/2 Design control — primary reference U.S. Government activity |
| 10106945 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 42312E347 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-152-0644 is a Shaft,shouldered, manufactured by Precision Gear Industries Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-152-0644 has 2 manufacturer part numbers on file: 42312-347 (Precision Gear Industries Llc), 42312-347 (Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc).
Key specifications for 42312-347: Surface Finish: 32.0 MICROINCHES; First End Pitch Diameter: 1.7000 INCHES NOMINAL IN; Step Quantity: 6; First End Diameter: 1.7500 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.
NSN 3040-01-152-0644 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.