PartsTable TECHNICAL DATA SHEET

NSN 4140-01-665-9776Government record, cited

Fan, Tubeaxial4140-01-665-9776

NSN 4140-01-665-9776 · NIIN 016659776 · Part number FB5121

Itw Gse Inc. · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 0SMN2

Government record, cited

NSN 4140-01-665-9776 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-665-9776. Manufacturer of record part number: FB5121.

Also searched as 4140-01-665-9776 · 4140016659776 · NIIN 016659776 · 01-665-9776 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 0SMN2 · FB5121

Nearby stock numbers ← 4140-01-665-9444 Fan, Tubeaxial · 4140-01-665-9840 Fan Assembly, Centrifugal →

Features

Fan,tubeaxial — FSC 4140
Voltage in Volts and Current Type: 230.0 DC
1 manufacturer part number on file
Manufacturer of record: Itw Gse Inc.

Identification

NSN: 4140-01-665-9776
NIIN: 016659776
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: FB5121
Manufacturer: Itw Gse Inc.

General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-01-665-9776, 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 Itw Gse Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4140-01-665-9776
Primary Part Number	FB5121
Item Name	Fan,tubeaxial
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer	Itw Gse Inc.
Status	ACTIVE
Voltage in Volts and Current Type	230.0 DC

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

Part Number	Manufacturer
FB5121 PRIMARY	Itw Gse Inc. (USA)

Reference documents

Reference	Meaning
FB5121	3/9 Design control — primary reference Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems

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 4140-01-665-9776?

NSN 4140-01-665-9776 is a Fan,tubeaxial, manufactured by Itw Gse Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-665-9776?

NSN 4140-01-665-9776 has 1 manufacturer part number on file: FB5121 (Itw Gse Inc.).

What are the specifications of FB5121?

Key specifications for FB5121: Voltage in Volts and Current Type: 230.0 DC; Special Features: UNITS PER ASSY 3;CONTROL PANEL ASSEMBLY 400 HZ CONVERTER; Part Name Assigned by Controlling Agency: FAN,TUBEAXIAL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4140-01-665-9776 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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