Hose, Air Duct4720-01-522-1234

NSN 4720-01-522-1234 · NIIN 015221234 · Part number 243-20071-02

Ilc Dover Lp · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 74897

Government record, cited

NSN 4720-01-522-1234 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-522-1234. Manufacturer of record part number: 243-20071-02.

Also searched as 4720-01-522-1234 · 4720015221234 · NIIN 015221234 · 01-522-1234 · FSC 4720 Hose and Flexible Tubing · CAGE 74897 · 243-20071-02

Nearby stock numbers ← 4720-01-522-1218 Hose Assembly, Nonmetallic · 4720-01-522-1243 Hose Assembly, Nonmetallic →

4720-01-522-1234 — Hose and Flexible Tubing

Features

Hose,air Duct — FSC 4720
2 manufacturer part numbers on file
Manufacturer of record: Ilc Dover Lp

Identification

NSN: 4720-01-522-1234
NIIN: 015221234
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 243-20071-02
Manufacturer: Ilc Dover Lp

General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-522-1234, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Ilc Dover Lp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Hose,air Duct
FSC / FSG	4720 — Hose and Flexible Tubing (FSG 47)
Manufacturers	Allied Materials & Equipment Co Inc Dba Allied Materials & Equipment Co Inc (CAGE 34500); Ilc Dover Lp (CAGE 74897)

Technical Specifications

Parameter	Value
NSN	4720-01-522-1234
Primary Part Number	243-20071-02
Item Name	Hose,air Duct
FSC / FSG	4720 / 47 — Hose and Flexible Tubing
Manufacturer	Ilc Dover Lp
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
243-20071-02	Allied Materials & Equipment Co Inc Dba Allied Materials & Equipment Co Inc (USA)
243-20071-02 PRIMARY	Ilc Dover Lp (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 4720-01-522-1234?

NSN 4720-01-522-1234 is a Hose,air Duct, manufactured by Ilc Dover Lp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-01-522-1234?

NSN 4720-01-522-1234 has 2 manufacturer part numbers on file: 243-20071-02 (Allied Materials & Equipment Co Inc Dba Allied Materials & Equipment Co Inc), 243-20071-02 (Ilc Dover Lp).

Is NSN 4720-01-522-1234 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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