The Shaft,shouldered, cataloged under National Stock Number 3040-01-328-8643, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-328-8643 |
| Primary Part Number | N4 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| End Similarity | NOT IDENTICAL |
| 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 |
|---|---|
| N4 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 500K0324-3 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-328-8643 is a Shaft,shouldered, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-328-8643 has 1 manufacturer part number on file: N4 (Emerson Electric Co Browning Mfg Div).
1 possible match (shared part number, not a government interchangeability claim): 9330-01-381-9005. Verify interchangeability with system specifications before substitution.
Key specifications for N4: Step Quantity: 5; First End Style: CIRCULAR GROOVED AND EXTERNALLY THREADED; Overall Length: 5.375 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL. 3 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.