4720-01-439-9440

Find complete technical information, availability, and procurement data for: 4720-01-439-9440
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-439-9440

Item Name Code

17271

Assigment Date

12/24/1996 (29 years ago)

A hollow body used to transport air to various parts of the aircraft for the purpose of heating, cooling, pressurizing, de-icing, and the like. It may include flange(s), bracket(s), and the like for mounting purposes. Excludes:pipes used in aircraft exhaust systems and pipes used in non-aircraft applications. Excludes:pipe, exhaust and pipe, air conditioning-heating.

139.0 millimeters nominal working length, "two bends"" style designator, 63.5 millimeters nominal inside diameter, 20.0 millimeters nominal second arm length, 20.0 millimeters nominal first arm length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 63.5 millimeters nominal
First Arm Length: 20.0 millimeters nominal
Second Arm Length: 20.0 millimeters nominal
Style Designator: "two bends""
Working Length: 139.0 millimeters nominal

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10553562	Preformed Hose
15-GEN08-10553562	Preformed Hose

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4720-01-439-9440?

The FSCG of the NSN 4720-01-439-9440 is 4720

Does NSN 4720-01-439-9440 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4720-01-439-9440 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-439-9440 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4720-01-439-9440 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Dec 24, 1996