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NSN 4210-01-379-6331Government record, cited

Ratio Controller4210-01-379-6331

NSN 4210-01-379-6331 · NIIN 013796331 · Part number S-4569 ITEM NO.5

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 4210 — Firefighting Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 07524

Government record, cited

NSN 4210-01-379-6331 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-379-6331. Manufacturer of record part number: S-4569 ITEM NO.5.

Also searched as 4210-01-379-6331 · 4210013796331 · NIIN 013796331 · 01-379-6331 · FSC 4210 Firefighting Equipment · CAGE 07524 · S-4569 ITEM NO.5 · 20429-01F · 929798

Nearby stock numbers ← 4210-01-379-2239 Nozzle, Fire Equipment · 4210-01-379-6661 Reel Assembly, Hose →

Features

Ratio Controller — FSC 4210
2 manufacturer part numbers on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 4210-01-379-6331
NIIN: 013796331
FSC: 4210 — Firefighting Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: S-4569 ITEM NO.5
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Ratio Controller, cataloged under National Stock Number 4210-01-379-6331, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Ratio Controller
FSC / FSG	4210 — Firefighting Equipment (FSG 42)
Manufacturers	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)

Technical Specifications

Parameter	Value
NSN	4210-01-379-6331
Primary Part Number	S-4569 ITEM NO.5
Item Name	Ratio Controller
FSC / FSG	4210 / 42 — Firefighting Equipment
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	Possible hazard — SDS may be required (DLA HMIC P)

Cross-Reference Index

Part Number	Manufacturer
S-4569 ITEM NO.5	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
929798	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)

Reference documents

Reference	Meaning
20429-01F	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4210 — Firefighting Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4210-00-001-3525

CYLINDER ASSEMBLY,LIQUID

4210-00-001-3526

CYLINDER ASSEMBLY,LIQUID

4210-00-003-6976

4210-00-003-6976 · Item name not on file

4210-00-004-8316

NOZZLE,FIRE EQUIPMENT

4210-00-005-1080

4210-00-005-1080 · Item name not on file

4210-00-005-7152

4210-00-005-7152 · Item name not on file

4210-00-005-7684

4210-00-005-7684 · Item name not on file

4210-00-006-6244

4210-00-006-6244 · Item name not on file

Frequently Asked Questions

What is NSN 4210-01-379-6331?

NSN 4210-01-379-6331 is a Ratio Controller, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4210, Firefighting Equipment. Status: active.

What part numbers are listed for NSN 4210-01-379-6331?

NSN 4210-01-379-6331 has 2 manufacturer part numbers on file: S-4569 ITEM NO.5 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 929798 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

Is NSN 4210-01-379-6331 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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