Reducer, Hose4730-01-238-0187

NSN 4730-01-238-0187 · NIIN 012380187 · Part number 11021379

Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 59678

Government record, cited

NSN 4730-01-238-0187 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-238-0187. Manufacturer of record part number: 11021379.

Also searched as 4730-01-238-0187 · 4730012380187 · NIIN 012380187 · 01-238-0187 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 59678 · 11021379

Nearby stock numbers ← 4730-01-238-0186 · 4730-01-238-0188 Reducer, Tube →

4730-01-238-0187 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Reducer,hose — FSC 4730
Connection Style: PLAIN (HOSE) ALL ENDS
Nominal Inside Diameter Hose Accommodated: 2.250 INCHES SECOND END IN
Nominal Inside Diameter Hose Accommodated: 2.688 INCHES FIRST END IN
Nominal Overall Length: 3.950 INCHES IN
Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS
Material Document and Classification: ASTM A513,TYPE 1,CODE A.W.H.R. ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment: CADMIUM AND CHROMATE OVERALL

Identification

NSN: 4730-01-238-0187
NIIN: 012380187
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 11021379
Manufacturer: Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center

General Description

The Reducer,hose, cataloged under National Stock Number 4730-01-238-0187, 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 Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center. Government technical data includes 10 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	4730-01-238-0187
Primary Part Number	11021379
Item Name	Reducer,hose
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center
Status	ACTIVE
Connection Style	PLAIN (HOSE) ALL ENDS
Nominal Inside Diameter Hose Accommodated	2.250 INCHES SECOND END IN
Nominal Inside Diameter Hose Accommodated	2.688 INCHES FIRST END IN
Nominal Overall Length	3.950 INCHES IN
Connection Type	UNTHREADED EXTERNAL HOSE ALL ENDS
Material Document and Classification	ASTM A513,TYPE 1,CODE A.W.H.R. ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment	CADMIUM AND CHROMATE OVERALL
Media for Which Designed	FLUID SINGLE RESPONSE
Material	STEEL 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
11021379 PRIMARY	Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments 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 4730-01-238-0187?

NSN 4730-01-238-0187 is a Reducer,hose, manufactured by Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-238-0187?

NSN 4730-01-238-0187 has 1 manufacturer part number on file: 11021379 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center).

What are the specifications of 11021379?

Key specifications for 11021379: Connection Style: PLAIN (HOSE) ALL ENDS; Nominal Inside Diameter Hose Accommodated: 2.250 INCHES SECOND END IN; Nominal Inside Diameter Hose Accommodated: 2.688 INCHES FIRST END IN; Nominal Overall Length: 3.950 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-238-0187 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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