Impeller, Pump, Centrifugal4320-00-366-8178

NSN 4320-00-366-8178 · NIIN 003668178

FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors

Government record, cited

Also searched as 4320-00-366-8178 · 4320003668178 · NIIN 003668178 · 00-366-8178 · FSC 4320 Power and Hand Pumps · SA-3355 · 10351PCSA3355 · 10581PCSA3355

Nearby stock numbers ← 4320-00-366-8169 · 4320-00-366-8179 →

Features

Impeller,pump,centrifugal — FSC 4320
Hub Bore Diameter: 0.500 INCHES NOMINAL IN
Design Type: SINGLE WIDTH
Overall Diameter: 4.438 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN
Blade Quantity: 48
Hub Quantity: 1
Hub Location: BACK SIDE
Material: COPPER ALLOY

Identification

NSN: 4320-00-366-8178
NIIN: 003668178
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors

General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-366-8178, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4320-00-366-8178
Item Name	Impeller,pump,centrifugal
FSC / FSG	4320 / 43 — Power and Hand Pumps
Status	ACTIVE
Hub Bore Diameter	0.500 INCHES NOMINAL IN
Design Type	SINGLE WIDTH
Overall Diameter	4.438 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN
Blade Quantity	48
Hub Quantity	1
Hub Location	BACK SIDE
Material	COPPER ALLOY
Rotation Direction for Which Designed	COUNTERCLOCKWISE
Blade Type	FORWARD CURVE

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
SA-3355	3/2 Design control — primary reference U.S. Government activity
10351PCSA3355	3/2 Design control — primary reference U.S. Government activity
10581PCSA3355	5/9 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4320 — Power and Hand Pumps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4320-00-001-1633

4320-00-001-1633 · Item name not on file

4320-00-001-2628

RETAINER AND PIN

4320-00-001-2629

HOUSING AND PIN

4320-00-001-2630

PUMP,CENTRIFUGAL

4320-00-001-2631

4320-00-001-2631 · Item name not on file

4320-00-001-2632

4320-00-001-2632 · Item name not on file

4320-00-001-3377

4320-00-001-3377 · Item name not on file

4320-00-001-3384

4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-00-366-8178?

NSN 4320-00-366-8178 is a Impeller,pump,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.

What are the specifications of 4320-00-366-8178?

Key specifications for 4320-00-366-8178: Hub Bore Diameter: 0.500 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 4.438 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN; Overall Width: 1.000 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4320-00-366-8178 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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