Nut, Tube Coupling4730-01-440-3034

NSN 4730-01-440-3034 · NIIN 014403034

FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings

Government record, cited

Also searched as 4730-01-440-3034 · 4730014403034 · NIIN 014403034 · 01-440-3034 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings

Nearby stock numbers ← 4730-01-440-3030 Fitting, Lubrication · 4730-01-440-3044 Elbow, Tube →

4730-01-440-3034 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Nut,tube Coupling — FSC 4730
Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series: UN
Material Document and Classification: QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size: 3.500 INCHES IN
Surface Treatment: ANODIZE OVERALL
Thread Class: 2B
Thread Quantity Per Inch: 16

Identification

NSN: 4730-01-440-3034
NIIN: 014403034
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-01-440-3034, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-440-3034
Item Name	Nut,tube Coupling
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Surface Treatment Document and Classification	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series	UN
Material Document and Classification	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size	3.500 INCHES IN
Surface Treatment	ANODIZE OVERALL
Thread Class	2B
Thread Quantity Per Inch	16
Material	ALUMINUM ALLOY 2024 OVERALL
Nominal Tube Outside Diameter	3.000 INCHES IN

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
NA30330-44	3/9 Design control — primary reference Eaton Aviation Corporation

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 4730-01-440-3034?

NSN 4730-01-440-3034 is a Nut,tube Coupling, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-440-3034?

Key specifications for 4730-01-440-3034: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN; Material Document and Classification: QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 3.500 INCHES IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-440-3034 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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