PartsTable TECHNICAL DATA SHEET

NSN 4140-01-252-7492Government record, cited

Fan4140-01-252-7492

NSN 4140-01-252-7492 · NIIN 012527492 · Part number 78577-2-A

Reliance Electric Company Dba Reliance & Dodge Brands · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 71956

Government record, cited

NSN 4140-01-252-7492 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-252-7492. Manufacturer of record part number: 78577-2-A.

Also searched as 4140-01-252-7492 · 4140012527492 · NIIN 012527492 · 01-252-7492 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 71956 · 78577-2-A

Nearby stock numbers ← 4140-01-252-6602 Impeller, Fan, Axial · 4140-01-252-8432 Impeller, Fan, Centrifugal →

Features

Fan — FSC 4140
1 manufacturer part number on file
Manufacturer of record: Reliance Electric Company Dba Reliance & Dodge Brands

Identification

NSN: 4140-01-252-7492
NIIN: 012527492
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 78577-2-A
Manufacturer: Reliance Electric Company Dba Reliance & Dodge Brands

General Description

The Fan, cataloged under National Stock Number 4140-01-252-7492, 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 Reliance Electric Company Dba Reliance & Dodge Brands. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Fan
FSC / FSG	4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
Manufacturers	Reliance Electric Company Dba Reliance & Dodge Brands (CAGE 71956)

Technical Specifications

Parameter	Value
NSN	4140-01-252-7492
Primary Part Number	78577-2-A
Item Name	Fan
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer	Reliance Electric Company Dba Reliance & Dodge Brands
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
78577-2-A	Reliance Electric Company Dba Reliance & Dodge Brands (USA)

Reference documents

Reference	Meaning
78577-2-A	3/9 Design control — primary reference Reliance Electric

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 4140-01-252-7492?

NSN 4140-01-252-7492 is a Fan, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-252-7492?

NSN 4140-01-252-7492 has 1 manufacturer part number on file: 78577-2-A (Reliance Electric Company Dba Reliance & Dodge Brands).

Is NSN 4140-01-252-7492 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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