4720-00-257-0305

Find complete technical information, availability, and procurement data for: 4720-00-257-0305
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-257-0305

Item Name Code

17271

Assigment Date

03/19/1971 (55 years ago)

A flexible, tubular item having a nonmetallic tube inner conveying surface and one or more reinforcement layers of a metallic or nonmetallic material. It is designed to convey gasses, liquids, or solids. For items with fittings on one or both ends, see hose assembly, nonmetallic. Excludes:hose, air duct; and hose air duct, air breathing.

1.500 inches nominal outer radius, 1.750 inches nominal inside diameter, 0.750 inches nominal bend radius, 0.200 inches nominal wall thickness, enlarged ends features provided

Product Characteristics

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

Wall Thickness: 0.200 inches nominal
Inside Diameter: 1.750 inches nominal
Bend Radius: 0.750 inches nominal
Outer Radius: 1.500 inches nominal
Features Provided: enlarged ends
First Arm Length: 3.500 inches nominal
Second Arm Length: 1.500 inches nominal
Special Features: furnished w/a spiral spring insert
Material: rubber synthetic cover
Material: rubber synthetic overall
Style Designator: "two bend modified "u""
Working Length: 8.250 inches 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
C5JZ8286D	Preformed Hose

FAQs

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

What is the FSCG of the NSN 4720-00-257-0305?

The FSCG of the NSN 4720-00-257-0305 is 4720

Does NSN 4720-00-257-0305 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 4720-00-257-0305 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-257-0305 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 4720-00-257-0305 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Mar 19, 1971