Reducer, Tube4730-01-612-5443

NSN 4730-01-612-5443 · NIIN 016125443 · Part number KRF 4201

R G Rollin Co · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 54752

Government record, cited

NSN 4730-01-612-5443 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-612-5443. Manufacturer of record part number: KRF 4201.

Also searched as 4730-01-612-5443 · 4730016125443 · NIIN 016125443 · 01-612-5443 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 54752 · KRF 4201 · 7664337

Nearby stock numbers ← 4730-01-612-5406 Nozzle, Distribution, Water · 4730-01-612-5521 Manifold Assembly, Hydraulic →

4730-01-612-5443 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Reducer,tube — FSC 4730
2 manufacturer part numbers on file
Manufacturer of record: R G Rollin Co

Identification

NSN: 4730-01-612-5443
NIIN: 016125443
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: KRF 4201
Manufacturer: R G Rollin Co

General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-612-5443, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is R G Rollin Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Reducer,tube
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
Manufacturers	Naval Sea Systems Command (CAGE 53711); R G Rollin Co (CAGE 54752)

Technical Specifications

Parameter	Value
NSN	4730-01-612-5443
Primary Part Number	KRF 4201
Item Name	Reducer,tube
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	R G Rollin Co
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
7664337	Naval Sea Systems Command (USA)
KRF 4201 PRIMARY	R G Rollin Co (USA)

No interchangeability data on file.

Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

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

4730-00-000-1895

4730-00-000-1895 · Item name not on file

4730-00-000-4289

4730-00-000-4289 · Item name not on file

4730-00-000-4445

4730-00-000-4445 · Item name not on file

4730-00-000-8373

4730-00-000-8373 · Item name not on file

4730-00-000-8897

4730-00-000-8897 · Item name not on file

4730-00-001-0007

4730-00-001-0007 · Item name not on file

4730-00-001-0008

COUPLING,TUBE

4730-00-001-0008

COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-01-612-5443?

NSN 4730-01-612-5443 is a Reducer,tube, manufactured by R G Rollin Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-612-5443?

NSN 4730-01-612-5443 has 2 manufacturer part numbers on file: 7664337 (Naval Sea Systems Command), KRF 4201 (R G Rollin Co).

Is NSN 4730-01-612-5443 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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