Impeller, Fan, Centrifugal4140-01-256-4576

NSN 4140-01-256-4576 · NIIN 012564576 · Part number 610319

Trw Inc Trw Intl Trade Government Sales Dept · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 31033

Government record, cited

NSN 4140-01-256-4576 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-256-4576. Manufacturer of record part number: 610319.

Also searched as 4140-01-256-4576 · 4140012564576 · NIIN 012564576 · 01-256-4576 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 31033 · 610319

Nearby stock numbers ← 4140-01-256-4575 Impeller, Fan, Axial · 4140-01-256-4597 Guard, Fan Impeller →

Features

Impeller,fan,centrifugal — FSC 4140
Diameter: 7.500 INCHES NOMINAL IN
Material: PLASTIC POLYPROPYLENE OVERALL
1 manufacturer part number on file
Manufacturer of record: Trw Inc Trw Intl Trade Government Sales Dept

Identification

NSN: 4140-01-256-4576
NIIN: 012564576
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 610319
Manufacturer: Trw Inc Trw Intl Trade Government Sales Dept

General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-256-4576, 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 Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4140-01-256-4576
Primary Part Number	610319
Item Name	Impeller,fan,centrifugal
FSC / FSG	4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer	Trw Inc Trw Intl Trade Government Sales Dept
Status	ACTIVE
Diameter	7.500 INCHES NOMINAL IN
Material	PLASTIC POLYPROPYLENE OVERALL

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
610319 PRIMARY	Trw Inc Trw Intl Trade Government Sales Dept (USA)

Frequently Asked Questions

What is NSN 4140-01-256-4576?

NSN 4140-01-256-4576 is a Impeller,fan,centrifugal, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-256-4576?

NSN 4140-01-256-4576 has 1 manufacturer part number on file: 610319 (Trw Inc Trw Intl Trade Government Sales Dept).

What are the specifications of 610319?

Key specifications for 610319: Diameter: 7.500 INCHES NOMINAL IN; Material: PLASTIC POLYPROPYLENE OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-256-4576 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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