The Fan,vaneaxial, cataloged under National Stock Number 4140-00-554-8189, 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 26 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4140-00-554-8189 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FLANGE |
| Speed Adjustments | SINGLE SPEED |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Length | 40.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 31.250 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 12.500 HORSEPOWER |
| Quantity | 1 |
| Style Designator | FIXED |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE HOUSING |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE BLADE |
| Diameter | 31.000 INCHES NOMINAL IN |
| Ambient Temp at Full Rated Power | 50.0 CELSIUS DEGC |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Test Data Document | 81349-MILF18953 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | ALUMINUM ALLOY BLADE |
| Material | ALUMINUM ALLOY HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE AND COUNTERCLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | TERMINAL BLOCK |
| 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 |
|---|---|
| MIL-F-18953B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| R1-3567 CD-3580 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| A11A4W6FF9760 | 5/9 Secondary reference Fm Af, Llc Dba American Fan Company |
| A11A4W | 4/1 Identification reference U.S. Government activity |
| A11A4W6 | 5/1 Secondary reference Fm Af, Llc Dba American Fan Company |
| R1-3567 CD-3580 | 5/1 Secondary reference Fm Af, Llc Dba American Fan Company |
| A11A4W6 | 2/2 Government specification standardization U.S. Government activity |
NSN 4140-00-554-8189 is a Fan,vaneaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4140-01-286-5632, 4140-01-382-0263, 4140-01-434-3004. Verify interchangeability with system specifications before substitution.
Key specifications for 4140-00-554-8189: Mounting Facility Type and Quantity: 1 FLANGE; Speed Adjustments: SINGLE SPEED; Phase: THREE; Frequency in Hertz: 60.0. 26 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.