The Shaft,straight, cataloged under National Stock Number 3040-01-504-9979, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Shaft,straight |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Bird-Johnson Propeller Company, Llc (CAGE 07309) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-504-9979 |
| Primary Part Number | 112546007 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bird-Johnson Propeller Company, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 112546007 PRIMARY | Bird-Johnson Propeller Company, Llc (USA) |
| 12556000 FN 8 | Bird-Johnson Propeller Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 112556000 | D/9 Drawing number reference only Bird-Johnson Propeller Company, Llc |
NSN 3040-01-504-9979 is a Shaft,straight, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-504-9979 has 2 manufacturer part numbers on file: 112546007 (Bird-Johnson Propeller Company, Llc), 12556000 FN 8 (Bird-Johnson Propeller Company, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-504-9981, 3040-01-504-9984, 3040-01-504-9987. Verify interchangeability with system specifications before substitution.
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 3040-01-504-9979 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.