The Shaft,shouldered, cataloged under National Stock Number 3040-01-182-7783, 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 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-182-7783 |
| Primary Part Number | 601397-23R |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Step Quantity | 8 |
| First End Diameter | 0.8750 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN |
| Second End Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.500 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Keyway Width | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.094 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.125 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 0.938 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 2.000 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.1850 INCHES MINIMUM AND 0.1870 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 |
|---|---|
| 87640 PIECE 43 | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| 601397-23R PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| 87640 | D/9 Drawing number reference only Reliance Electric |
| 601397-23-A | 5/9 Secondary reference Reliance Electric |
| 601397-23R | 3/9 Design control — primary reference Reliance Electric |
| 87640 PIECE 43 | 5/9 Secondary reference Reliance Electric |
NSN 3040-01-182-7783 is a Shaft,shouldered, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-182-7783 has 2 manufacturer part numbers on file: 87640 PIECE 43 (Reliance Electric Company Dba Reliance & Dodge Brands), 601397-23R (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for 601397-23R: Step Quantity: 8; First End Diameter: 0.8750 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN; Second End Diameter: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; Largest Step Diameter: 1.500 INCHES NOMINAL IN. 15 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.