PartsTable TECHNICAL DATA SHEET

NSN 4320-01-203-0091Government record, cited

Motor, Hydraulic4320-01-203-0091

NSN 4320-01-203-0091 · NIIN 012030091 · Part number MFH-504DDB

Spencer Industries Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 12008

Government record, cited

NSN 4320-01-203-0091 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-203-0091. Manufacturer of record part number: MFH-504DDB.

Also searched as 4320-01-203-0091 · 4320012030091 · NIIN 012030091 · 01-203-0091 · FSC 4320 Power and Hand Pumps · CAGE 12008 · MFH-504DDB · MFH-504D · MF-504DDB

Nearby stock numbers ← 4320-01-202-9768 · 4320-01-203-0092 Motor, Hydraulic →

Features

Motor,hydraulic — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Spencer Industries Inc

Identification

NSN: 4320-01-203-0091
NIIN: 012030091
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: MFH-504DDB
Manufacturer: Spencer Industries Inc

General Description

The Motor,hydraulic, cataloged under National Stock Number 4320-01-203-0091, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Spencer Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Motor,hydraulic
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Spencer Industries Inc (CAGE 12008)

Technical Specifications

Parameter	Value
NSN	4320-01-203-0091
Primary Part Number	MFH-504DDB
Item Name	Motor,hydraulic
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Spencer Industries 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
MFH-504DDB PRIMARY	Spencer Industries Inc (USA)

Reference documents

Reference	Meaning
MFH-504D	5/9 Secondary reference Spencer Industries Inc
MF-504DDB	5/9 Secondary reference Spencer Industries Inc

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 4320-01-203-0091?

NSN 4320-01-203-0091 is a Motor,hydraulic, manufactured by Spencer Industries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-203-0091?

NSN 4320-01-203-0091 has 1 manufacturer part number on file: MFH-504DDB (Spencer Industries Inc).

Is NSN 4320-01-203-0091 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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