The Collar,shaft, cataloged under National Stock Number 3040-01-304-8290, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-304-8290 |
| Primary Part Number | 75D751104-2011 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 0.620 INCHES NOMINAL IN |
| Bore Diameter | 0.3750 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.520 INCHES NOMINAL IN |
| 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 |
|---|---|
| 75D751104-2011 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75D751104 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 3040-01-304-8290 is a Collar,shaft, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-304-8290 has 1 manufacturer part number on file: 75D751104-2011 (The Boeing Company Div Defense).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-304-8339, 3040-01-385-6936. Verify interchangeability with system specifications before substitution.
Key specifications for 75D751104-2011: Style Designator: PLAIN ROUND; Outside Diameter: 0.620 INCHES NOMINAL IN; Special Features: PRESS ON TO ROD AND HOLES DRILLED; Bore Diameter: 0.3750 INCHES NOMINAL IN. 5 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 3040-01-304-8290 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.