The Fan,centrifugal, cataloged under National Stock Number 4140-00-993-0071, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4140-00-993-0071 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 8 THREADED HOLE(S) |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 400.0 |
| Inclosure Type | FULLY INCLOSED |
| Outlet Inside Height | 2.500 INCHES NOMINAL IN |
| Length | 6.940 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 200.0 WATTS |
| Style Designator | FIXED, DUAL IMPELLER, RECTANGULAR OUTLET |
| Ambient Temp at Full Rated Power | -54.0 CELSIUS AND 65.0 CELSIUS DEGC |
| Discharge Direction | HORIZONTAL |
| Outlet Inside Width | 2.720 INCHES NOMINAL IN |
| Height | 6.310 INCHES MAXIMUM IN |
| Operating Speed at Rated Capacity in RPM | 3500.0 |
| Surface Treatment | ENAMEL HOUSING OUTSIDE |
| Environmental Protection | HUMIDITY PROOF AND SHOCK PROOF AND VIBRATION PROOF |
| Width | 10.060 INCHES MAXIMUM IN |
| Material | ALUMINUM HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 375.0 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 |
| Reference | Meaning |
|---|---|
| 717402-66 | 5/9 Secondary reference Raytheon Company Div Rmd Strategic |
| B38M34D-1 | 5/9 Secondary reference Eastern Air Devices Inc Dba Ead Motors |
| A0-71473 | 5/2 Secondary reference U.S. Government activity |
| 4140PL0900074 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 7307-C7899 | 3/2 Design control — primary reference U.S. Government activity |
| DRFP-PD3503CCW-277XF | 5/1 Secondary reference U.S. Government activity |
| 717402-066 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Rmd Strategic |
| 020946 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-00-993-0071 is a Fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-498-9984, 5925-01-622-7879. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-00-993-0071: Outlet Location: TOP; Mounting Facility Type and Quantity: 8 THREADED HOLE(S); Speed Adjustments: SINGLE SPEED; Phase: THREE. 27 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.