Adapter, Straight, Pipe to Tube4730-01-694-1690

NSN 4730-01-694-1690 · NIIN 016941690 · Part number 2706-04-04-NZ

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 4730-01-694-1690 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-694-1690. Manufacturer of record part number: 2706-04-04-NZ.

Also searched as 4730-01-694-1690 · 4730016941690 · NIIN 016941690 · 01-694-1690 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 0HZT9 · 2706-04-04-NZ

Nearby stock numbers ← 4730-01-694-1649 Adapter, Storage · 4730-01-694-1692 Elbow, Pipe →

4730-01-694-1690 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Adapter,straight,pipe to Tube — FSC 4730
Connection Type: THREADED EXTERNAL TUBE FIRST END BULKHEAD
Connection Type: THREADED EXTERNAL PIPE SECOND END
Style Designator: CENTER WRENCHING FACILITY
Nominal Thread Size: 0.250 INCHES SECOND END IN
Nominal Thread Size: 0.4375 INCHES FIRST END BULKHEAD IN
Surface Treatment: NICKEL AND ZINC BODY
Thread Quantity Per Inch: 20 FIRST END BULKHEAD

Identification

NSN: 4730-01-694-1690
NIIN: 016941690
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 2706-04-04-NZ
Manufacturer: Fitting Source, Inc Dba Fitting Source Inc

General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-694-1690, 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 9 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	4730-01-694-1690
Primary Part Number	2706-04-04-NZ
Item Name	Adapter,straight,pipe to Tube
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Fitting Source, Inc Dba Fitting Source Inc
Status	ACTIVE
Connection Type	THREADED EXTERNAL TUBE FIRST END BULKHEAD
Connection Type	THREADED EXTERNAL PIPE SECOND END
Style Designator	CENTER WRENCHING FACILITY
Nominal Thread Size	0.250 INCHES SECOND END IN
Nominal Thread Size	0.4375 INCHES FIRST END BULKHEAD IN
Surface Treatment	NICKEL AND ZINC BODY
Thread Quantity Per Inch	20 FIRST END BULKHEAD
Material	STEEL BODY
Thread Series Designator	NPTF 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
2706-04-04-NZ 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 4730-01-694-1690?

NSN 4730-01-694-1690 is a Adapter,straight,pipe to 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 4730-01-694-1690?

NSN 4730-01-694-1690 has 1 manufacturer part number on file: 2706-04-04-NZ (Fitting Source, Inc Dba Fitting Source Inc).

What are the specifications of 2706-04-04-NZ?

Key specifications for 2706-04-04-NZ: Connection Type: THREADED EXTERNAL TUBE FIRST END BULKHEAD; Connection Type: THREADED EXTERNAL PIPE SECOND END; Style Designator: CENTER WRENCHING FACILITY; Nominal Thread Size: 0.250 INCHES SECOND END IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-694-1690 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.

PartsTable Design LLC · partstable.com