Nut, Tube Coupling4730-01-718-8646

NSN 4730-01-718-8646 · NIIN 017188646 · Part number 23790401

Mack Defense Llc Dba Mack Defense Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 6B8L4

Government record, cited

NSN 4730-01-718-8646 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-718-8646. Manufacturer of record part number: 23790401.

Also searched as 4730-01-718-8646 · 4730017188646 · NIIN 017188646 · 01-718-8646 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 6B8L4 · 23790401

Nearby stock numbers ← 4730-01-718-8635 Nut, Union · 4730-01-718-8793 Adapter, Straight, Tube to Boss →

4730-01-718-8646 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Nut,tube Coupling — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Mack Defense Llc Dba Mack Defense Llc

Identification

NSN: 4730-01-718-8646
NIIN: 017188646
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 23790401
Manufacturer: Mack Defense Llc Dba Mack Defense Llc

General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-01-718-8646, 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 Mack Defense Llc Dba Mack Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,tube Coupling
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
Manufacturers	Mack Defense Llc Dba Mack Defense Llc (CAGE 6B8L4)

Technical Specifications

Parameter	Value
NSN	4730-01-718-8646
Primary Part Number	23790401
Item Name	Nut,tube Coupling
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Mack Defense Llc Dba Mack Defense Llc
Status	ACTIVE

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
23790401 PRIMARY	Mack Defense Llc Dba Mack Defense Llc (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 4730-01-718-8646?

NSN 4730-01-718-8646 is a Nut,tube Coupling, manufactured by Mack Defense Llc Dba Mack Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-718-8646?

NSN 4730-01-718-8646 has 1 manufacturer part number on file: 23790401 (Mack Defense Llc Dba Mack Defense Llc).

Is NSN 4730-01-718-8646 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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