PartsTable TECHNICAL DATA SHEET

NSN 4320-01-299-0587Government record, cited

Impeller, Pump, Centrifugal4320-01-299-0587

NSN 4320-01-299-0587 · NIIN 012990587 · Part number 85117059

Hamworthy Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0CBL5

Government record, cited

NSN 4320-01-299-0587 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-299-0587. Manufacturer of record part number: 85117059.

Also searched as 4320-01-299-0587 · 4320012990587 · NIIN 012990587 · 01-299-0587 · FSC 4320 Power and Hand Pumps · CAGE 0CBL5 · 85117059

Nearby stock numbers ← 4320-01-299-0586 Impeller, Pump, Centrifugal · 4320-01-299-0588 Impeller, Pump, Centrifugal →

Features

Impeller,pump,centrifugal — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: Hamworthy Inc.

Identification

NSN: 4320-01-299-0587
NIIN: 012990587
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 85117059
Manufacturer: Hamworthy Inc.

General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-299-0587, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hamworthy Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4320-01-299-0587
Primary Part Number	85117059
Item Name	Impeller,pump,centrifugal
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Hamworthy Inc.
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
85117059 PRIMARY	Hamworthy Inc. (USA)
85117059	W B Arnold Company, Inc. (USA)

Reference documents

Reference	Meaning
85117059	5/9 Secondary reference Wartsila Water Systems Limited

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 4320-01-299-0587?

NSN 4320-01-299-0587 is a Impeller,pump,centrifugal, manufactured by Hamworthy Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-299-0587?

NSN 4320-01-299-0587 has 2 manufacturer part numbers on file: 85117059 (Hamworthy Inc.), 85117059 (W B Arnold Company, Inc.).

What are the specifications of 85117059?

Key specifications for 85117059: End Item Identification: 4320-01-258-4976 CENTRIFUGAL PUMP. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-299-0587 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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