Hose, Air Duct4720-01-434-0308

NSN 4720-01-434-0308 · NIIN 014340308

FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings

Government record, cited

Also searched as 4720-01-434-0308 · 4720014340308 · NIIN 014340308 · 01-434-0308 · FSC 4720 Hose and Flexible Tubing

Nearby stock numbers ← 4720-01-433-8807 Hose, Nonmetallic · 4720-01-434-0335 →

4720-01-434-0308 — Hose and Flexible Tubing

Features

Hose,air Duct — FSC 4720
Measuring Method and Length: 5.250 INCHES NOMINAL OVERALL IN
Connection Type: PLAIN BOTH ENDS
Style Designator: BOX SECTION
Material Document and Classification: MIL-Y-1140,CLASSC,FORM 4,NO.162 MIL SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765,CLASS 1A,GRADE 50 FED SPEC 2ND MATERIAL RESPONSE ALL PLIES A
Cross-Sectional Shape Style: ROUND
Inside Diameter: 1.500 INCHES NOMINAL FIRST END IN
Material: FIBERGLASS AND RUBBER SILICONE CLASS Q ALL PLIES

Identification

NSN: 4720-01-434-0308
NIIN: 014340308
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-434-0308, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4720-01-434-0308
Item Name	Hose,air Duct
FSC / FSG	4720 / 47 — Hose and Flexible Tubing
Status	ACTIVE
Measuring Method and Length	5.250 INCHES NOMINAL OVERALL IN
Connection Type	PLAIN BOTH ENDS
Style Designator	BOX SECTION
Material Document and Classification	MIL-Y-1140,CLASSC,FORM 4,NO.162 MIL SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765,CLASS 1A,GRADE 50 FED SPEC 2ND MATERIAL RESPONSE ALL PLIES A
Cross-Sectional Shape Style	ROUND
Inside Diameter	1.500 INCHES NOMINAL FIRST END IN
Material	FIBERGLASS AND RUBBER SILICONE CLASS Q ALL PLIES

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
3614440-2	3/2 Design control — primary reference U.S. Government activity

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 4720-01-434-0308?

NSN 4720-01-434-0308 is a Hose,air Duct, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What are the specifications of 4720-01-434-0308?

Key specifications for 4720-01-434-0308: Measuring Method and Length: 5.250 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: BOX SECTION; Material Document and Classification: MIL-Y-1140,CLASSC,FORM 4,NO.162 MIL SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765,CLASS 1A,GRADE 50 FED SPEC 2ND MATERIAL RESPONSE ALL PLIES A. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4720-01-434-0308 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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