Guard, Fan Impeller4140-01-588-5441

NSN 4140-01-588-5441 · NIIN 015885441

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

Government record, cited

Also searched as 4140-01-588-5441 · 4140015885441 · NIIN 015885441 · 01-588-5441 · FSC 4140 Fans, Air Circulators, and Blower Equipment · 502656-1 · 502656-1

Nearby stock numbers ← 4140-01-588-5117 Exhaust Disposal Kit · 4140-01-588-5486 Cover, Ventilatory →

Features

Guard,fan Impeller — FSC 4140
Overall Diameter: 3.980 INCHES NOMINAL IN
Shape: ROUND
Body Material: STEEL CORROSION RESISTING

Identification

NSN: 4140-01-588-5441
NIIN: 015885441
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment

General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-01-588-5441, 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 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4140-01-588-5441
Item Name	Guard,fan Impeller
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Status	ACTIVE
Overall Diameter	3.980 INCHES NOMINAL IN
Shape	ROUND
Body Material	STEEL CORROSION RESISTING

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
502656-1	3/9 Design control — primary reference Lockheed Martin Corporation Div Rms - Manassas
502656-1	5/2 Secondary 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 4140-01-588-5441?

NSN 4140-01-588-5441 is a Guard,fan Impeller, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What are the specifications of 4140-01-588-5441?

Key specifications for 4140-01-588-5441: Overall Height: 0.120 INCHES NOMINAL IN; Overall Diameter: 3.980 INCHES NOMINAL IN; Shape: ROUND; Body Material: STEEL CORROSION RESISTING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-588-5441 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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