Impeller, Pump, Centrifugal4320-01-439-5342

NSN 4320-01-439-5342 · NIIN 014395342

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

Government record, cited

Also searched as 4320-01-439-5342 · 4320014395342 · NIIN 014395342 · 01-439-5342 · FSC 4320 Power and Hand Pumps · 076969 · 077165SA ITEM 3

Nearby stock numbers ← 4320-01-439-5319 Pump, Centrifugal · 4320-01-439-5407 Shoe, Vane, Hydraulic Motor →

Features

Impeller,pump,centrifugal — FSC 4320
Hub Bore Diameter: 1.377 INCHES NOMINAL IN
Hub Length: 6.490 INCHES NOMINAL AND 6.490 INCHES NOMINAL IN
Overall Diameter: 13.750 INCHES NOMINAL IN
Mounting Method: THREAD
Thread Diameter: 1.375 INCHES NOMINAL IN
Thread Direction: RIGHT-HAND
Hub Projection Length Beyond Wheel Side: 1.000 INCHES NOMINAL IN

Identification

NSN: 4320-01-439-5342
NIIN: 014395342
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors

General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-439-5342, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4320-01-439-5342
Item Name	Impeller,pump,centrifugal
FSC / FSG	4320 / 43 — Power and Hand Pumps
Status	ACTIVE
Hub Bore Diameter	1.377 INCHES NOMINAL IN
Hub Length	6.490 INCHES NOMINAL AND 6.490 INCHES NOMINAL IN
Overall Diameter	13.750 INCHES NOMINAL IN
Mounting Method	THREAD
Thread Diameter	1.375 INCHES NOMINAL IN
Thread Direction	RIGHT-HAND
Hub Projection Length Beyond Wheel Side	1.000 INCHES NOMINAL IN
Hub Quantity	2
Hub Location	CENTERED
Screw Thread Series Designator	UNF
Thread Quantity	12 PER INCH
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
076969	3/2 Design control — primary reference U.S. Government activity
077165SA ITEM 3	5/2 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 4320-01-439-5342?

NSN 4320-01-439-5342 is a Impeller,pump,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.

What are the specifications of 4320-01-439-5342?

Key specifications for 4320-01-439-5342: Hub Bore Diameter: 1.377 INCHES NOMINAL IN; Hub Length: 6.490 INCHES NOMINAL AND 6.490 INCHES NOMINAL IN; Overall Diameter: 13.750 INCHES NOMINAL IN; Mounting Method: THREAD. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-439-5342 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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