Pump Unit, Hydraulic4320-01-549-0198

NSN 4320-01-549-0198 · NIIN 015490198 · Part number 401M-3

Oberdorfer Pumps Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 4K628

Government record, cited

NSN 4320-01-549-0198 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-549-0198. Manufacturer of record part number: 401M-3.

Also searched as 4320-01-549-0198 · 4320015490198 · NIIN 015490198 · 01-549-0198 · FSC 4320 Power and Hand Pumps · CAGE 4K628 · 401M-3

Nearby stock numbers ← 4320-01-549-0078 Pump, Hydraulic · 4320-01-549-0350 Pump Unit, Centrifugal →

Features

Pump Unit,hydraulic — FSC 4320
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Oberdorfer Pumps Inc

Identification

NSN: 4320-01-549-0198
NIIN: 015490198
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 401M-3
Manufacturer: Oberdorfer Pumps Inc

General Description

The Pump Unit,hydraulic, cataloged under National Stock Number 4320-01-549-0198, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Oberdorfer Pumps Inc. Government technical data includes 1 specification, 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	4320-01-549-0198
Primary Part Number	401M-3
Item Name	Pump Unit,hydraulic
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Oberdorfer Pumps Inc
Status	ACTIVE
Material	COPPER ALLOY

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
401M-3 PRIMARY	Oberdorfer Pumps 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 4320-01-549-0198?

NSN 4320-01-549-0198 is a Pump Unit,hydraulic, manufactured by Oberdorfer Pumps Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-549-0198?

NSN 4320-01-549-0198 has 1 manufacturer part number on file: 401M-3 (Oberdorfer Pumps Inc).

What are the specifications of 401M-3?

Key specifications for 401M-3: Special Features: PEDESTAL MOUNTING,1.0 PORT SIZE; End Item Identification: FIRE FIGHTER AIRCRAFT CL-415; Material: COPPER ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-549-0198 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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