PartsTable TECHNICAL DATA SHEET

NSN 4140-01-394-8046Government record, cited

Housing, Centrifugal Fan4140-01-394-8046

NSN 4140-01-394-8046 · NIIN 013948046 · Part number 2042390

Oshkosh Defense Llc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 75Q65

Government record, cited

NSN 4140-01-394-8046 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-394-8046. Manufacturer of record part number: 2042390.

Also searched as 4140-01-394-8046 · 4140013948046 · NIIN 013948046 · 01-394-8046 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 75Q65 · 2042390

Nearby stock numbers ← 4140-01-394-8043 Housing, Centrifugal Fan · 4140-01-394-8073 →

Features

Housing,centrifugal Fan — FSC 4140
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 4140-01-394-8046
NIIN: 013948046
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 2042390
Manufacturer: Oshkosh Defense Llc

General Description

The Housing,centrifugal Fan, cataloged under National Stock Number 4140-01-394-8046, 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 Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4140-01-394-8046
Primary Part Number	2042390
Item Name	Housing,centrifugal Fan
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer	Oshkosh Defense Llc
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
2042390 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
2042390	5/9 Secondary reference Oshkosh Corp

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 4140-01-394-8046?

NSN 4140-01-394-8046 is a Housing,centrifugal Fan, manufactured by Oshkosh Defense Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-394-8046?

NSN 4140-01-394-8046 has 1 manufacturer part number on file: 2042390 (Oshkosh Defense Llc).

What are the specifications of 2042390?

Key specifications for 2042390: Part Name Assigned by Controlling Agency: LOWER PLENUM; End Item Identification: 3990-01-307-7676; NSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK); FAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM). 0 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-394-8046 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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