The Fan,centrifugal, cataloged under National Stock Number 4140-01-067-9905, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 25 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-067-9905 |
| Primary Part Number | 1203730 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Outlet Location | BOTTOM OR TOP |
| Mounting Facility Type and Quantity | 2 FLANGE |
| Speed Adjustments | SINGLE SPEED |
| Phase | SINGLE |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 3.190 INCHES NOMINAL IN |
| Length | 7.810 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Discharge Direction | ANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP |
| Outlet Inside Width | 3.000 INCHES NOMINAL IN |
| Height | 8.720 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 3420.0 |
| Surface Treatment | ZINC BLADE |
| Surface Treatment | ENAMEL HOUSING |
| Width | 11.460 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE OR COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 520.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| 1203730 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 027848 | 3/2 Design control — primary reference U.S. Government activity |
| 1203730 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 5153830 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| BRFS-KD4502CW-1045AF | 5/2 Secondary reference U.S. Government activity |
| 4140PL1288904 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4140-01-067-9905 is a Fan,centrifugal, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-067-9905 has 1 manufacturer part number on file: 1203730 (Lockheed Martin Corporation Div Rms).
Key specifications for 1203730: Outlet Location: BOTTOM OR TOP; Mounting Facility Type and Quantity: 2 FLANGE; Speed Adjustments: SINGLE SPEED; Phase: SINGLE. 25 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.