Hose, Air Duct4720-01-559-2470

NSN 4720-01-559-2470 · NIIN 015592470 · Part number 5666K54

Mcmaster-Carr Supply Co · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 3A054

Government record, cited

NSN 4720-01-559-2470 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-559-2470. Manufacturer of record part number: 5666K54.

Also searched as 4720-01-559-2470 · 4720015592470 · NIIN 015592470 · 01-559-2470 · FSC 4720 Hose and Flexible Tubing · CAGE 3A054 · 5666K54

Nearby stock numbers ← 4720-01-559-2450 Hose Assembly, Nonmetallic · 4720-01-559-2508 Hose, Nonmetallic →

4720-01-559-2470 — Hose and Flexible Tubing

Features

Hose,air Duct — FSC 4720
Minimum Inside Bending Radius: 2.422 INCHES IN
Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
Cross-Sectional Shape Style: ROUND
Wall Thickness: 0.045 INCHES NOMINAL IN
Outside Diameter: 2.437 INCHES NOMINAL BOTH ENDS IN
Inside Diameter: 2.000 INCHES NOMINAL BOTH ENDS IN
1 manufacturer part number on file

Identification

NSN: 4720-01-559-2470
NIIN: 015592470
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 5666K54
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-559-2470, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 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	4720-01-559-2470
Primary Part Number	5666K54
Item Name	Hose,air Duct
FSC / FSG	4720 / 47 — Hose and Flexible Tubing
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Minimum Inside Bending Radius	2.422 INCHES IN
Style Designator	HELICALLY WOUND CONTINOUS WIRE SUPPORTED
Cross-Sectional Shape Style	ROUND
Wall Thickness	0.045 INCHES NOMINAL IN
Outside Diameter	2.437 INCHES NOMINAL BOTH ENDS IN
Inside Diameter	2.000 INCHES NOMINAL BOTH ENDS 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

Part Number	Manufacturer
5666K54 PRIMARY	Mcmaster-Carr Supply Co (USA)

No interchangeability data on file.

Other items in FSC 4720 — Hose and Flexible Tubing

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4720-00-000-0080

HOSE ASSEMBLY,NONMETALLIC

4720-00-000-0081

4720-00-000-0081 · Item name not on file

4720-00-000-0084

HOSE,PREFORMED

4720-00-000-0724

4720-00-000-0724 · Item name not on file

4720-00-001-0014

HOSE ASSEMBLY,NONMETALLIC

4720-00-001-0015

4720-00-001-0015 · Item name not on file

4720-00-001-0023

HOSE ASSEMBLY,NONMETALLIC

4720-00-001-0025

4720-00-001-0025 · Item name not on file

Frequently Asked Questions

What is NSN 4720-01-559-2470?

NSN 4720-01-559-2470 is a Hose,air Duct, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-01-559-2470?

NSN 4720-01-559-2470 has 1 manufacturer part number on file: 5666K54 (Mcmaster-Carr Supply Co).

What are the specifications of 5666K54?

Key specifications for 5666K54: Minimum Inside Bending Radius: 2.422 INCHES IN; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Cross-Sectional Shape Style: ROUND; Wall Thickness: 0.045 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4720-01-559-2470 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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