FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment
Government record, cited
Also searched as4140-01-239-9505 ·
4140012399505 ·
NIIN 012399505 ·
01-239-9505 ·
FSC 4140 Fans, Air Circulators, and Blower Equipment
Nearby stock numbers← 4140-01-239-9299
·
4140-01-239-9830 Fan Assembly →
Features
Fan,ventilating — FSC 4140
Mounting Facility Type and Quantity: 1 BASE PLATE
Length: 0.630 INCHES NOMINAL IN
Housing Inside Diameter: 3.750 INCHES NOMINAL IN
Drive Type: DIRECT
Style Designator: FIXED
Material: ALUMINUM ALLOY OVERALL
Rotation Direction for Which Designed: CLOCKWISE
Identification
NSN: 4140-01-239-9505
NIIN: 012399505
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
General Description
The Fan,ventilating, cataloged under National Stock Number 4140-01-239-9505, 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 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4140-01-239-9505
Item Name
Fan,ventilating
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
Status
ACTIVE
Mounting Facility Type and Quantity
1 BASE PLATE
Length
0.630 INCHES NOMINAL IN
Housing Inside Diameter
3.750 INCHES NOMINAL IN
Drive Type
DIRECT
Style Designator
FIXED
Material
ALUMINUM ALLOY OVERALL
Rotation Direction for Which Designed
CLOCKWISE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
N
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Other items in FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082
IMPELLER,FAN,AXIAL
4140-00-001-1517
FAN,CENTRIFUGAL
4140-00-001-1536
FAN,VENTILATING
4140-00-001-1537
4140-00-001-1537 · Item name not on file
4140-00-001-3930
4140-00-001-3930 · Item name not on file
4140-00-001-6464
4140-00-001-6464 · Item name not on file
4140-00-001-6874
4140-00-001-6874 · Item name not on file
4140-00-001-6875
4140-00-001-6875 · Item name not on file
Frequently Asked Questions
What is NSN 4140-01-239-9505?
NSN 4140-01-239-9505 is a Fan,ventilating, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What are the specifications of 4140-01-239-9505?
Key specifications for 4140-01-239-9505: Mounting Facility Type and Quantity: 1 BASE PLATE; Length: 0.630 INCHES NOMINAL IN; Housing Inside Diameter: 3.750 INCHES NOMINAL IN; Drive Type: DIRECT. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4140-01-239-9505 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.