The Shaft,shouldered, cataloged under National Stock Number 3040-01-502-1999, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-502-1999 |
| Primary Part Number | 609115-34-A |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Step Quantity | 14 |
| First End Diameter | 1.3720 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.845 INCHES NOMINAL IN |
| Second End Diameter | 1.2495 INCHES NOMINAL IN |
| Largest Step Diameter | 3.000 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Second End Keyway Width | 0.2510 INCHES NOMINAL IN |
| First End Keyway Depth | 0.133 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.137 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAYS AND INTERNALLY THREADED |
| Material | STEEL CORROSION RESISTING |
| Second End Internal Thread Length | 1.500 INCHES NOMINAL IN |
| External Keyway Length | 1.250 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 2.690 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.2510 INCHES NOMINAL 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 |
|---|---|
| 801633-547 REV A PC. NO.47 | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| 609115-34-A PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| 801633-547 | D/9 Drawing number reference only Reliance Electric Company Dba Reliance & Dodge Brands |
NSN 3040-01-502-1999 is a Shaft,shouldered, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-502-1999 has 2 manufacturer part numbers on file: 801633-547 REV A PC. NO.47 (Reliance Electric Company Dba Reliance & Dodge Brands), 609115-34-A (Reliance Electric Company Dba Reliance & Dodge Brands).
2 possible matches (shared part number, not a government interchangeability claim): 6105-01-502-2112, 6105-01-659-1464. Verify interchangeability with system specifications before substitution.
Key specifications for 609115-34-A: Step Quantity: 14; First End Diameter: 1.3720 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.845 INCHES NOMINAL IN; Second End Diameter: 1.2495 INCHES NOMINAL IN. 16 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.