PartsTable TECHNICAL DATA SHEET

NSN 4140-01-439-1981Government record, cited

Fan, Vaneaxial4140-01-439-1981

NSN 4140-01-439-1981 · NIIN 014391981 · Part number 15K2/3G-946315N

Howden American Fan Company Dba American Fan Co Div Howden Usa Company · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 53555

Government record, cited

NSN 4140-01-439-1981 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-439-1981. Manufacturer of record part number: 15K2/3G-946315N.

Also searched as 4140-01-439-1981 · 4140014391981 · NIIN 014391981 · 01-439-1981 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 53555 · 15K2/3G-946315N · 15K2/3G-946347N

Nearby stock numbers ← 4140-01-439-1975 Fan, Vaneaxial · 4140-01-439-1986 Impeller, Fan, Axial →

Features

Fan,vaneaxial — FSC 4140
2 manufacturer part numbers on file
Manufacturer of record: Howden American Fan Company Dba American Fan Co Div Howden Usa Company

Identification

NSN: 4140-01-439-1981
NIIN: 014391981
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 15K2/3G-946315N
Manufacturer: Howden American Fan Company Dba American Fan Co Div Howden Usa Company

General Description

The Fan,vaneaxial, cataloged under National Stock Number 4140-01-439-1981, 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 Howden American Fan Company Dba American Fan Co Div Howden Usa Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4140-01-439-1981
Primary Part Number	15K2/3G-946315N
Item Name	Fan,vaneaxial
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer	Howden American Fan Company Dba American Fan Co Div Howden Usa Company
Status	ACTIVE

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
15K2/3G-946315N PRIMARY	Howden American Fan Company Dba American Fan Co Div Howden Usa Company (USA)
15K2/3G-946347N	Howden American Fan Company Dba American Fan Co Div Howden Usa Company (USA)

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 4140-01-439-1981?

NSN 4140-01-439-1981 is a Fan,vaneaxial, manufactured by Howden American Fan Company Dba American Fan Co Div Howden Usa Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-439-1981?

NSN 4140-01-439-1981 has 2 manufacturer part numbers on file: 15K2/3G-946315N (Howden American Fan Company Dba American Fan Co Div Howden Usa Company), 15K2/3G-946347N (Howden American Fan Company Dba American Fan Co Div Howden Usa Company).

What are the specifications of 15K2/3G-946315N?

Key specifications for 15K2/3G-946315N: Special Features: 15K2 FAN ASSEMBLY, WITH 56FR TEAD RELIANCE MOTOR NEWPORT NEWS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-439-1981 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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