PartsTable TECHNICAL DATA SHEET

NSN 4320-00-028-3907Government record, cited

Rotor, Pump4320-00-028-3907

NSN 4320-00-028-3907 · NIIN 000283907 · Part number AC4640-1

Alfa Laval Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 54370

Government record, cited

NSN 4320-00-028-3907 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-028-3907. Manufacturer of record part number: AC4640-1.

Also searched as 4320-00-028-3907 · 4320000283907 · NIIN 000283907 · 00-028-3907 · FSC 4320 Power and Hand Pumps · CAGE 54370 · AC4640-1 · 1501

Nearby stock numbers ← 4320-00-028-3906 Rotor, Pump · 4320-00-028-3914 →

Features

Rotor,pump — FSC 4320
Pump Design Control Activity: 54370
1 manufacturer part number on file
Manufacturer of record: Alfa Laval Inc.

Identification

NSN: 4320-00-028-3907
NIIN: 000283907
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: AC4640-1
Manufacturer: Alfa Laval Inc.

General Description

The Rotor,pump, cataloged under National Stock Number 4320-00-028-3907, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Alfa Laval 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4320-00-028-3907
Primary Part Number	AC4640-1
Item Name	Rotor,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Alfa Laval Inc.
Status	ACTIVE
Pump Design Control Activity	54370

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
AC4640-1 PRIMARY	Alfa Laval Inc. (USA)

Reference documents

Reference	Meaning
1501	5/9 Secondary reference Alfa Laval 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 4320-00-028-3907?

NSN 4320-00-028-3907 is a Rotor,pump, manufactured by Alfa Laval Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-00-028-3907?

NSN 4320-00-028-3907 has 1 manufacturer part number on file: AC4640-1 (Alfa Laval Inc.).

What are the specifications of AC4640-1?

Key specifications for AC4640-1: Pump Design Control Activity: 54370. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-00-028-3907 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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