The Ventilator,air Circulating, cataloged under National Stock Number 2040-01-658-4498, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Robert H Wager Co Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-658-4498 |
| Primary Part Number | 1017FCNAF |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Robert H Wager Co Inc |
| Status | ACTIVE |
| Overall Diameter | 10.00 INCHES NOMINAL IN |
| Shape | ROUND |
| Next Higher Assembly Identification Designator | NONE |
| Features Provided | ADJUSTABLE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 1017FCNAF PRIMARY | Robert H Wager Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1017FCNAF REV- | D/9 Drawing number reference only Robert H Wager Co Inc |
NSN 2040-01-658-4498 is a Ventilator,air Circulating, manufactured by Robert H Wager Co Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-658-4498 has 1 manufacturer part number on file: 1017FCNAF (Robert H Wager Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-658-6597, 2040-01-658-7545. Verify interchangeability with system specifications before substitution.
Key specifications for 1017FCNAF: Overall Diameter: 10.00 INCHES NOMINAL IN; Shape: ROUND; Overall Length: 17.00 INCHES NOMINAL IN; Next Higher Assembly Identification Designator: NONE. 5 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.