Impeller, Pump, Centrifugal4320-01-323-7558

NSN 4320-01-323-7558 · NIIN 013237558 · Part number AONI-2565A-ASX1-8.8125IN

M.t. Davidson Company · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 16062

Government record, cited

NSN 4320-01-323-7558 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-323-7558. Manufacturer of record part number: AONI-2565A-ASX1-8.8125IN.

Also searched as 4320-01-323-7558 · 4320013237558 · NIIN 013237558 · 01-323-7558 · FSC 4320 Power and Hand Pumps · CAGE 16062 · AONI-2565A-ASX1-8.8125IN

Nearby stock numbers ← 4320-01-323-7557 · 4320-01-323-8199 →

Features

Impeller,pump,centrifugal — FSC 4320
Keyway Type: PLAIN
Overall Diameter: 8.812 INCHES NOMINAL IN
Mounting Method: KEY
Keyway Quantity: 1
Hub Quantity: 1
Material: STEEL CORROSION RESISTING
Rotation Direction for Which Designed: COUNTERCLOCKWISE

Identification

NSN: 4320-01-323-7558
NIIN: 013237558
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: AONI-2565A-ASX1-8.8125IN
Manufacturer: M.t. Davidson Company

General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-323-7558, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is M.t. Davidson Company. Government technical data includes 7 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	4320-01-323-7558
Primary Part Number	AONI-2565A-ASX1-8.8125IN
Item Name	Impeller,pump,centrifugal
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	M.t. Davidson Company
Status	ACTIVE
Keyway Type	PLAIN
Overall Diameter	8.812 INCHES NOMINAL IN
Mounting Method	KEY
Keyway Quantity	1
Hub Quantity	1
Material	STEEL CORROSION RESISTING
Rotation Direction for Which Designed	COUNTERCLOCKWISE

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
AONI-2565A-ASX1-8.8125IN PRIMARY	M.t. Davidson Company (USA)

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 4320-01-323-7558?

NSN 4320-01-323-7558 is a Impeller,pump,centrifugal, manufactured by M.t. Davidson Company, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-323-7558?

NSN 4320-01-323-7558 has 1 manufacturer part number on file: AONI-2565A-ASX1-8.8125IN (M.t. Davidson Company).

What are the specifications of AONI-2565A-ASX1-8.8125IN?

Key specifications for AONI-2565A-ASX1-8.8125IN: Keyway Type: PLAIN; Overall Diameter: 8.812 INCHES NOMINAL IN; Mounting Method: KEY; Keyway Quantity: 1. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-323-7558 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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