Hose Assembly, Air Duct4720-01-529-1971

NSN 4720-01-529-1971 · NIIN 015291971 · Part number NFRA-225

Rhine Air, Inc · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 58501

Government record, cited

NSN 4720-01-529-1971 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-529-1971. Manufacturer of record part number: NFRA-225.

Also searched as 4720-01-529-1971 · 4720015291971 · NIIN 015291971 · 01-529-1971 · FSC 4720 Hose and Flexible Tubing · CAGE 58501 · NFRA-225

Nearby stock numbers ← 4720-01-529-1884 Hose Assembly, Nonmetallic · 4720-01-529-2267 Hose Assembly, Nonmetallic →

4720-01-529-1971 — Hose and Flexible Tubing

Features

Hose Assembly,air Duct — FSC 4720
1 manufacturer part number on file
Manufacturer of record: Rhine Air, Inc

Identification

NSN: 4720-01-529-1971
NIIN: 015291971
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: NFRA-225
Manufacturer: Rhine Air, Inc

General Description

The Hose Assembly,air Duct, cataloged under National Stock Number 4720-01-529-1971, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rhine Air, Inc. 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	Hose Assembly,air Duct
FSC / FSG	4720 — Hose and Flexible Tubing (FSG 47)
Manufacturers	Rhine Air, Inc (CAGE 58501)

Technical Specifications

Parameter	Value
NSN	4720-01-529-1971
Primary Part Number	NFRA-225
Item Name	Hose Assembly,air Duct
FSC / FSG	4720 / 47 — Hose and Flexible Tubing
Manufacturer	Rhine Air, Inc
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
NFRA-225 PRIMARY	Rhine Air, Inc (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 4720-01-529-1971?

NSN 4720-01-529-1971 is a Hose Assembly,air Duct, manufactured by Rhine Air, Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-01-529-1971?

NSN 4720-01-529-1971 has 1 manufacturer part number on file: NFRA-225 (Rhine Air, Inc).

Is NSN 4720-01-529-1971 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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