Reducer, Tube4730-01-443-6340

NSN 4730-01-443-6340 · NIIN 014436340 · Part number 892X16X4

Fitting Source, Inc Dba Fitting Source Inc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 0HZT9

Government record, cited

NSN 4730-01-443-6340 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-443-6340. Manufacturer of record part number: 892X16X4.

Also searched as 4730-01-443-6340 · 4730014436340 · NIIN 014436340 · 01-443-6340 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 0HZT9 · 892X16X4

Nearby stock numbers ← 4730-01-443-6327 Flange, Pipe, Swivel Retaining · 4730-01-443-6575 Thread Piece, Union →

4730-01-443-6340 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Reducer,tube — FSC 4730
Connection Style: FLARED (TUBE) SECOND END
Connection Type: THREADED EXTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN
Nominal Thread Size: 0.438 INCHES SECOND END IN
Seat Angle: 37.0 DEGREES SECOND END
Thread Class: 3A SECOND END A
Thread Quantity Per Inch: 20 SECOND END

Identification

NSN: 4730-01-443-6340
NIIN: 014436340
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 892X16X4
Manufacturer: Fitting Source, Inc Dba Fitting Source Inc

General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-443-6340, 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 Fitting Source, Inc Dba Fitting Source Inc. 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	4730-01-443-6340
Primary Part Number	892X16X4
Item Name	Reducer,tube
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Fitting Source, Inc Dba Fitting Source Inc
Status	ACTIVE
Connection Style	FLARED (TUBE) SECOND END
Connection Type	THREADED EXTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated	0.250 INCHES SECOND END IN
Nominal Thread Size	0.438 INCHES SECOND END IN
Seat Angle	37.0 DEGREES SECOND END
Thread Class	3A SECOND END A
Thread Quantity Per Inch	20 SECOND END
Thread Series Designator	UNF SECOND END

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
892X16X4 PRIMARY	Fitting Source, Inc Dba Fitting Source Inc (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 4730-01-443-6340?

NSN 4730-01-443-6340 is a Reducer,tube, manufactured by Fitting Source, Inc Dba Fitting Source Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-443-6340?

NSN 4730-01-443-6340 has 1 manufacturer part number on file: 892X16X4 (Fitting Source, Inc Dba Fitting Source Inc).

What are the specifications of 892X16X4?

Key specifications for 892X16X4: Connection Style: FLARED (TUBE) SECOND END; Connection Type: THREADED EXTERNAL TUBE SECOND END; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN; Nominal Thread Size: 0.438 INCHES SECOND END IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-443-6340 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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