The Shaft,shouldered, cataloged under National Stock Number 3040-01-502-0056, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-502-0056 |
| Primary Part Number | 609116-27A |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Step Quantity | 10 |
| First End Diameter | 1.2500 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 1.060 INCHES NOMINAL IN |
| Second End Diameter | 2.3745 INCHES NOMINAL IN |
| Largest Step Diameter | 3.040 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Second End Keyway Width | 0.6250 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286 FED SPEC ALL MATERIAL RESPONSES |
| First End Keyway Depth | 0.348 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.354 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | NICKEL ALLOY |
| External Keyway Length | 4.250 INCHES NOMINAL SECOND END IN |
| External Keyway Length | 1.880 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.25100 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 |
|---|---|
| 609116-27A PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| 801635-521 REV A PC NO.44 | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| 801635-521 REV A PC NO.44 | 5/9 Secondary reference Reliance Electric |
| 801635-521 | D/9 Drawing number reference only Reliance Electric |
| 609116-27A | 3/9 Design control — primary reference Reliance Electric |
NSN 3040-01-502-0056 is a Shaft,shouldered, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-502-0056 has 2 manufacturer part numbers on file: 609116-27A (Reliance Electric Company Dba Reliance & Dodge Brands), 801635-521 REV A PC NO.44 (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for 609116-27A: Step Quantity: 10; First End Diameter: 1.2500 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 1.060 INCHES NOMINAL IN; Second End Diameter: 2.3745 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.