Reducer, Pipe4730-01-196-3903

NSN 4730-01-196-3903 · NIIN 011963903 · Part number 0142170-422

Cleveland Service Center · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 54119

Government record, cited

NSN 4730-01-196-3903 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-196-3903. Manufacturer of record part number: 0142170-422.

Also searched as 4730-01-196-3903 · 4730011963903 · NIIN 011963903 · 01-196-3903 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 54119 · 0142170-422

Nearby stock numbers ← 4730-01-196-3902 Coupling, Pipe · 4730-01-196-3904 Union, Tube →

4730-01-196-3903 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Reducer,pipe — FSC 4730
Nominal Pipe Size Accommodated: 3.000 INCHES SECOND END IN
Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN
Connection Style: SOCKET (PIPE) ALL ENDS
Nominal Overall Length: 2.625 INCHES IN
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Pipe Wall Thickness Designation for Which Designed: SCHEDULE 80 ALL ENDS
Material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL

Identification

NSN: 4730-01-196-3903
NIIN: 011963903
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 0142170-422
Manufacturer: Cleveland Service Center

General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-196-3903, 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 Cleveland Service Center. Government technical data includes 8 specifications, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-196-3903
Primary Part Number	0142170-422
Item Name	Reducer,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Cleveland Service Center
Status	ACTIVE
Nominal Pipe Size Accommodated	3.000 INCHES SECOND END IN
Nominal Pipe Size Accommodated	4.000 INCHES FIRST END IN
Connection Style	SOCKET (PIPE) ALL ENDS
Nominal Overall Length	2.625 INCHES IN
Connection Type	UNTHREADED INTERNAL PIPE ALL ENDS
Pipe Wall Thickness Designation for Which Designed	SCHEDULE 80 ALL ENDS
Material	PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Reducer Type	CONCENTRIC

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
0142170-422 PRIMARY	Cleveland Service Center (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 4730-01-196-3903?

NSN 4730-01-196-3903 is a Reducer,pipe, manufactured by Cleveland Service Center, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-196-3903?

NSN 4730-01-196-3903 has 1 manufacturer part number on file: 0142170-422 (Cleveland Service Center).

What are the specifications of 0142170-422?

Key specifications for 0142170-422: Nominal Pipe Size Accommodated: 3.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) ALL ENDS; Nominal Overall Length: 2.625 INCHES IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-196-3903 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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