Impeller, Fan, Centrifugal4140-01-115-5977

NSN 4140-01-115-5977 · NIIN 011155977

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

Government record, cited

Also searched as 4140-01-115-5977 · 4140011155977 · NIIN 011155977 · 01-115-5977 · FSC 4140 Fans, Air Circulators, and Blower Equipment · 74380-R60803CCW · AM8549CCW

Nearby stock numbers ← 4140-01-115-5976 Impeller, Fan, Axial · 4140-01-115-7377 Fan, Centrifugal →

Features

Impeller,fan,centrifugal — FSC 4140
Style Designator: CURVED BLADES SINGLE WIDTH
Attachment Method: SETSCREW
Diameter: 14.625 INCHES NOMINAL IN
Blade Quantity: 48
Width: 1.500 INCHES NOMINAL IN
Material: STEEL OVERALL
Rotation Direction for Which Designed: COUNTERCLOCKWISE

Identification

NSN: 4140-01-115-5977
NIIN: 011155977
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment

General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-115-5977, 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 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Impeller,fan,centrifugal
FSC / FSG	4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)

Technical Specifications

Parameter	Value
NSN	4140-01-115-5977
Item Name	Impeller,fan,centrifugal
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Status	ACTIVE
Style Designator	CURVED BLADES SINGLE WIDTH
Attachment Method	SETSCREW
Diameter	14.625 INCHES NOMINAL IN
Blade Quantity	48
Width	1.500 INCHES NOMINAL IN
Material	STEEL OVERALL
Rotation Direction for Which Designed	COUNTERCLOCKWISE

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
74380-R60803CCW	3/9 Design control — primary reference Zurn Industries Inc Zurn Air Systems Div
AM8549CCW	5/9 Secondary reference Zurn Industries Inc Zurn Air Systems Div

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 4140-01-115-5977?

NSN 4140-01-115-5977 is a Impeller,fan,centrifugal, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What are the specifications of 4140-01-115-5977?

Key specifications for 4140-01-115-5977: Style Designator: CURVED BLADES SINGLE WIDTH; Attachment Method: SETSCREW; Diameter: 14.625 INCHES NOMINAL IN; Blade Quantity: 48. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-115-5977 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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