Key, Liner, Pump4320-01-434-3403

NSN 4320-01-434-3403 · NIIN 014343403 · Part number 184407

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 4320-01-434-3403 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-434-3403. Manufacturer of record part number: 184407.

Also searched as 4320-01-434-3403 · 4320014343403 · NIIN 014343403 · 01-434-3403 · FSC 4320 Power and Hand Pumps · CAGE 07524 · 184407 · E-4684 ITEM 74

Nearby stock numbers ← 4320-01-434-3401 Repair Kit, Pumping Assembly · 4320-01-434-3412 Pump Unit, Centrifugal →

Features

Key,liner,pump — FSC 4320
General Characteristics Item Description: USED ON DOVER/BLACKMER ROTARY VANE PUMP MODEL GPXLWN2E
Material: STEEL
2 manufacturer part numbers on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 4320-01-434-3403
NIIN: 014343403
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 184407
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Key,liner,pump, cataloged under National Stock Number 4320-01-434-3403, 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. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-434-3403
Primary Part Number	184407
Item Name	Key,liner,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Status	ACTIVE
General Characteristics Item Description	USED ON DOVER/BLACKMER ROTARY VANE PUMP MODEL GPXLWN2E
Material	STEEL

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
184407 PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4684 ITEM 74	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (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 4320-01-434-3403?

NSN 4320-01-434-3403 is a Key,liner,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 4320-01-434-3403?

NSN 4320-01-434-3403 has 2 manufacturer part numbers on file: 184407 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4684 ITEM 74 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What are the specifications of 184407?

Key specifications for 184407: General Characteristics Item Description: USED ON DOVER/BLACKMER ROTARY VANE PUMP MODEL GPXLWN2E; End Item Identification: WEAPON SYSTEM CODE VN, BOB HOPE CLASS T-AKR 300; Material: STEEL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-434-3403 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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