The Shaft,overspeed Cut, cataloged under National Stock Number 3040-00-732-8398, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Shaft,overspeed Cut |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Curtiss-Wright Controls, Inc. Div Actuation Division (CAGE 0AHP5) |
| Parameter | Value |
|---|---|
| NSN | 3040-00-732-8398 |
| Primary Part Number | A100421 |
| Item Name | Shaft,overspeed Cut |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A100421 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| A-100421 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Flight Systems/shelby Inc |
NSN 3040-00-732-8398 is a Shaft,overspeed Cut, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-732-8398 has 1 manufacturer part number on file: A100421 (Curtiss-Wright Controls, Inc. Div Actuation Division).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-304-3912. 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.
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.