Pump, Hydraulic4320-01-428-9441

NSN 4320-01-428-9441 · NIIN 014289441 · Part number 65-1000

Topworx Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 04553

Government record, cited

NSN 4320-01-428-9441 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-428-9441. Manufacturer of record part number: 65-1000.

Also searched as 4320-01-428-9441 · 4320014289441 · NIIN 014289441 · 01-428-9441 · FSC 4320 Power and Hand Pumps · CAGE 04553 · 65-1000

Nearby stock numbers ← 4320-01-428-9219 Pump, Rotary · 4320-01-428-9716 Vane, Pump, Rotary →

Features

Pump,hydraulic — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Topworx Inc

Identification

NSN: 4320-01-428-9441
NIIN: 014289441
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 65-1000
Manufacturer: Topworx Inc

General Description

The Pump,hydraulic, cataloged under National Stock Number 4320-01-428-9441, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Topworx Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Pump,hydraulic
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Topworx Inc (CAGE 04553)

Technical Specifications

Parameter	Value
NSN	4320-01-428-9441
Primary Part Number	65-1000
Item Name	Pump,hydraulic
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Topworx 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)

Cross-Reference Index

Part Number	Manufacturer
65-1000 PRIMARY	Topworx Inc (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 4320-01-428-9441?

NSN 4320-01-428-9441 is a Pump,hydraulic, manufactured by Topworx Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-428-9441?

NSN 4320-01-428-9441 has 1 manufacturer part number on file: 65-1000 (Topworx Inc).

Is NSN 4320-01-428-9441 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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