Fan, Centrifugal4140-01-543-0645

NSN 4140-01-543-0645 · NIIN 015430645 · Part number 4102361

Rtx Corporation Div Pratt & Whitney · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 55820

Government record, cited

NSN 4140-01-543-0645 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-543-0645. Manufacturer of record part number: 4102361.

Also searched as 4140-01-543-0645 · 4140015430645 · NIIN 015430645 · 01-543-0645 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 55820 · 4102361 · 17B1N5002-505

Nearby stock numbers ← 4140-01-542-9504 Fan, Centrifugal · 4140-01-543-0814 Guard, Fan Impeller →

Features

Fan,centrifugal — FSC 4140
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Div Pratt & Whitney

Identification

NSN: 4140-01-543-0645
NIIN: 015430645
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 4102361
Manufacturer: Rtx Corporation Div Pratt & Whitney

General Description

The Fan,centrifugal, cataloged under National Stock Number 4140-01-543-0645, 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 Rtx Corporation Div Pratt & Whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,centrifugal
FSC / FSG	4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
Manufacturers	Rtx Corporation Div Pratt & Whitney (CAGE 55820)

Technical Specifications

Parameter	Value
NSN	4140-01-543-0645
Primary Part Number	4102361
Item Name	Fan,centrifugal
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer	Rtx Corporation Div Pratt & Whitney
Status	ACTIVE

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

Part Number	Manufacturer
4102361 PRIMARY	Rtx Corporation Div Pratt & Whitney (USA)

Reference documents

Reference	Meaning
17B1N5002-505	7/2 Vendor item drawing reference U.S. Government activity

Frequently Asked Questions

What is NSN 4140-01-543-0645?

NSN 4140-01-543-0645 is a Fan,centrifugal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-543-0645?

NSN 4140-01-543-0645 has 1 manufacturer part number on file: 4102361 (Rtx Corporation Div Pratt & Whitney).

Is NSN 4140-01-543-0645 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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