The Collar,shaft, cataloged under National Stock Number 3040-00-101-5787, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-101-5787 |
| Primary Part Number | 11578026 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES BOTH BEARING FLATS |
| Largest Diameter Length | 4.940 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Outside Diameter | 10.700 INCHES NOMINAL IN |
| Nominal Thread Size | 0.625 INCHES SINGLE HOLE IN |
| Small End Diameter | 9.550 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 8.0000 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 10.700 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 |
|---|---|
| 11578026 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 3040-00-101-5787 is a Collar,shaft, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-101-5787 has 1 manufacturer part number on file: 11578026 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 11578026: Surface Finish: 125 MICROINCHES BOTH BEARING FLATS; Largest Diameter Length: 4.940 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Outside Diameter: 10.700 INCHES NOMINAL 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.
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.