Plenum4140-01-346-5448

NSN 4140-01-346-5448 · NIIN 013465448

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

Government record, cited

Also searched as 4140-01-346-5448 · 4140013465448 · NIIN 013465448 · 01-346-5448 · FSC 4140 Fans, Air Circulators, and Blower Equipment

Nearby stock numbers ← 4140-01-346-5350 Housing, Centrifugal Fan · 4140-01-346-5514 Guard, Fan Impeller →

Features

Plenum — FSC 4140
General Characteristics Item Description: NOMINAL WIDTH 5.630 IN.; NOMINAL HEIGHT 6.888 IN; ALUMINUM ALLOY IN

Identification

NSN: 4140-01-346-5448
NIIN: 013465448
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment

General Description

The Plenum, cataloged under National Stock Number 4140-01-346-5448, 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 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4140-01-346-5448
Item Name	Plenum
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Status	ACTIVE
General Characteristics Item Description	NOMINAL WIDTH 5.630 IN.; NOMINAL HEIGHT 6.888 IN; ALUMINUM ALLOY IN

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
338027-000	3/2 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 4140-01-346-5448?

NSN 4140-01-346-5448 is a Plenum, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What are the specifications of 4140-01-346-5448?

Key specifications for 4140-01-346-5448: General Characteristics Item Description: NOMINAL WIDTH 5.630 IN.; NOMINAL HEIGHT 6.888 IN; ALUMINUM ALLOY IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4140-01-346-5448 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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