The Shaft,straight, cataloged under National Stock Number 3040-01-420-9992, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kidde Fire Fighting, Inc. Div National Foam. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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 | 3040-01-420-9992 |
| Primary Part Number | 3227-3003-0 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kidde Fire Fighting, Inc. Div National Foam |
| Status | ACTIVE |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Diameter | 0.2500 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| 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 |
|---|---|
| 3227-3003-0 PRIMARY | Kidde Fire Fighting, Inc. Div National Foam (USA) |
| 1537-0003 | Kidde Fire Fighting, Inc. Div National Foam (USA) |
| 01550310 | Kidde Fire Fighting, Inc. Div National Foam (USA) |
NSN 3040-01-420-9992 is a Shaft,straight, manufactured by Kidde Fire Fighting, Inc. Div National Foam, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-420-9992 has 3 manufacturer part numbers on file: 3227-3003-0 (Kidde Fire Fighting, Inc. Div National Foam), 1537-0003 (Kidde Fire Fighting, Inc. Div National Foam), 01550310 (Kidde Fire Fighting, Inc. Div National Foam).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-441-6375. Verify interchangeability with system specifications before substitution.
Key specifications for 3227-3003-0: First End Diameter: 0.2500 INCHES NOMINAL IN; Second End Diameter: 0.2500 INCHES NOMINAL IN; First End Style: PLAIN; Overall Length: 5.0000 INCHES NOMINAL IN. 6 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.