Fan Filter4140-01-642-8401

NSN 4140-01-642-8401 · NIIN 016428401

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

Government record, cited

Also searched as 4140-01-642-8401 · 4140016428401 · NIIN 016428401 · 01-642-8401 · FSC 4140 Fans, Air Circulators, and Blower Equipment · 08608.0-00 · 17769SH2ITEM14

Nearby stock numbers ← 4140-01-642-8399 Fan, Centrifugal · 4140-01-642-9236 Guard, Fan Impeller →

Features

Fan Filter — FSC 4140
Criticality Code Justification: ZZZY
Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY

Identification

NSN: 4140-01-642-8401
NIIN: 016428401
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment

General Description

The Fan Filter, cataloged under National Stock Number 4140-01-642-8401, 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 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4140-01-642-8401
Item Name	Fan Filter
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Status	ACTIVE
Criticality Code Justification	ZZZY
Reference Number Differentiating Characteristics	MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY

Lifecycle & Compliance

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

Cross-Reference Index

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

Reference documents

Reference	Meaning
08608.0-00	3/1 Design control — primary reference Stego, Inc.
17769SH2ITEM14	5/1 Secondary reference The Electric Heater Co Dba Hubbell Electric Heater Co.

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 4140-01-642-8401?

NSN 4140-01-642-8401 is a Fan Filter, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What are the specifications of 4140-01-642-8401?

Key specifications for 4140-01-642-8401: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-642-8401 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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