Rotor, Pump4320-01-239-5325

NSN 4320-01-239-5325 · NIIN 012395325 · Part number 263377

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 07524

Government record, cited

NSN 4320-01-239-5325 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-239-5325. Manufacturer of record part number: 263377.

Also searched as 4320-01-239-5325 · 4320012395325 · NIIN 012395325 · 01-239-5325 · FSC 4320 Power and Hand Pumps · CAGE 07524 · 263377 · E-4509 ITEM 13 · E-4509

Nearby stock numbers ← 4320-01-239-5324 Rotor, Pump · 4320-01-239-5326 Rotor, Pump →

Features

Rotor,pump — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 4320-01-239-5325
NIIN: 012395325
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 263377
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Rotor,pump, cataloged under National Stock Number 4320-01-239-5325, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Rotor,pump
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)

Technical Specifications

Parameter	Value
NSN	4320-01-239-5325
Primary Part Number	263377
Item Name	Rotor,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
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
E-4509 ITEM 13	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
263377 PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)

Reference documents

Reference	Meaning
E-4509	D/9 Drawing number reference only Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Frequently Asked Questions

What is NSN 4320-01-239-5325?

NSN 4320-01-239-5325 is a Rotor,pump, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-239-5325?

NSN 4320-01-239-5325 has 2 manufacturer part numbers on file: E-4509 ITEM 13 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 263377 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

Is NSN 4320-01-239-5325 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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