The Shaft,shouldered, cataloged under National Stock Number 3040-00-099-0078, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-099-0078 |
| Primary Part Number | 45709 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| FSC Application Data | RADAR EQUIPMENT,EXCEPT AIRBORNE |
| Step Quantity | 3 |
| First End Diameter | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| First End Flat Depth | 0.0150 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| First End Style | FLATTED |
| Material Document and Classification | QQ-S-763,TYPE 303 FED SPEC ALL MATERIAL RESPONSES |
| End Similarity | IDENTICAL |
| First End Flat Length | 1.000 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 45709 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 3040-00-099-0078 is a Shaft,shouldered, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-099-0078 has 1 manufacturer part number on file: 45709 (L3harris Technologies, Inc Div Space & Airborne Systems).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-195-3215. Verify interchangeability with system specifications before substitution.
Key specifications for 45709: Surface Finish: 32.0 MICROINCHES; FSC Application Data: RADAR EQUIPMENT,EXCEPT AIRBORNE; Step Quantity: 3; First End Diameter: 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM 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.
NSN 3040-00-099-0078 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.