Rotor, Pump4320-00-398-7003

NSN 4320-00-398-7003 · NIIN 003987003 · Part number 552A

Siemens Energy, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 16712

Government record, cited

NSN 4320-00-398-7003 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-7003. Manufacturer of record part number: 552A.

Also searched as 4320-00-398-7003 · 4320003987003 · NIIN 003987003 · 00-398-7003 · FSC 4320 Power and Hand Pumps · CAGE 16712 · 552A

Nearby stock numbers ← 4320-00-398-7002 Rotor, Pump · 4320-00-398-7004 Rotor, Pump →

Features

Rotor,pump — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Siemens Energy, Inc.

Identification

NSN: 4320-00-398-7003
NIIN: 003987003
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 552A
Manufacturer: Siemens Energy, Inc.

General Description

The Rotor,pump, cataloged under National Stock Number 4320-00-398-7003, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Siemens Energy, 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.

Technical Specifications

Parameter	Value
NSN	4320-00-398-7003
Primary Part Number	552A
Item Name	Rotor,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Siemens Energy, 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
552A PRIMARY	Siemens Energy, 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 4320-00-398-7003?

NSN 4320-00-398-7003 is a Rotor,pump, manufactured by Siemens Energy, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-00-398-7003?

NSN 4320-00-398-7003 has 1 manufacturer part number on file: 552A (Siemens Energy, Inc.).

What are the specifications of 552A?

Key specifications for 552A: End Item Identification: PUMP,CENTRIFUGAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-00-398-7003 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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