Fan, Tubeaxial4140-01-174-0646

NSN 4140-01-174-0646 · NIIN 011740646

FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment

Government record, cited

Also searched as 4140-01-174-0646 · 4140011740646 · NIIN 011740646 · 01-174-0646 · FSC 4140 Fans, Air Circulators, and Blower Equipment

Nearby stock numbers ← 4140-01-174-0284 Fan Assembly, Centrifugal · 4140-01-174-1216 →

Features

Fan,tubeaxial — FSC 4140
Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S)
Length: 1.520 INCHES NOMINAL IN
Housing Inside Diameter: 4.125 INCHES NOMINAL IN
Drive Type: DIRECT
Style Designator: FIXED
Height: 4.690 INCHES NOMINAL IN
Width: 4.690 INCHES NOMINAL IN

Identification

NSN: 4140-01-174-0646
NIIN: 011740646
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment

General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-01-174-0646, 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 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4140-01-174-0646
Item Name	Fan,tubeaxial
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Status	ACTIVE
Mounting Facility Type and Quantity	8 UNTHREADED HOLE(S)
Length	1.520 INCHES NOMINAL IN
Housing Inside Diameter	4.125 INCHES NOMINAL IN
Drive Type	DIRECT
Style Designator	FIXED
Height	4.690 INCHES NOMINAL IN
Width	4.690 INCHES NOMINAL IN
Material	ZINC ALLOY HOUSING
Material	PLASTIC POLYCARBONATE BLADE
Prime Mover Type	ELECTRIC MOTOR

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
3-15-4469	3/9 Design control — primary reference U.S. Government activity

No interchangeability data on file.

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 4140-01-174-0646?

NSN 4140-01-174-0646 is a Fan,tubeaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What are the specifications of 4140-01-174-0646?

Key specifications for 4140-01-174-0646: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Length: 1.520 INCHES NOMINAL IN; Housing Inside Diameter: 4.125 INCHES NOMINAL IN; Drive Type: DIRECT. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-174-0646 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.

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