4720-00-146-0428

Find complete technical information, availability, and procurement data for: 4720-00-146-0428
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-146-0428

Item Name Code

17972

Assigment Date

09/10/1971 (54 years ago)

A length of metallic hose with fittings on one or both ends. For items without fittings, see hose, metallic. Excludes:conduit, electrical; conduit assembly, electrical; casing, flexible control; and casing, flexible shaft assembly.

7.500 inches nominal 1st end bolt circle diameter, 7.500 inches nominal 2nd end bolt circle diameter, 800.0 fahrenheit single response temp rating, 4.000 inches nominal inside diameter, round cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: round
Inside Diameter: 4.000 inches nominal
Temp Rating: 800.0 fahrenheit single response
Bolt Circle Diameter: 7.500 inches nominal 1st end
Bolt Circle Diameter: 7.500 inches nominal 2nd end
Flange Thickness: 1.062 inches nominal 1st end
Flange Thickness: 1.062 inches nominal 2nd end
Outside Diameter: 4.500 inches nominal
Inner Conveying Tube Style: annular close-pitch corrugated
Bolt Hole Quantity: 8 1st end
Bolt Hole Quantity: 8 2nd end
Flange Outside Diameter: 9.000 inches nominal 1st end
Flange Outside Diameter: 9.000 inches nominal 2nd end
Connection Style: raised 1st end
Connection Style: raised 2nd end
Bolt Hole Diameter: 0.750 inches nominal 2nd end
Bolt Hole Diameter: 0.750 inches nominal 1st end
Raised Face Height: 0.500 inches nominal 1st end
Raised Face Height: 0.500 inches nominal 2nd end
Raised Face Diameter: 7.688 inches nominal 1st end
Raised Face Diameter: 7.688 inches nominal 2nd end
End Flange Construction: solid 1st end
End Flange Construction: solid 2nd end
End Connection Design: elbow 2nd end
End Connection Design: straight 1st end
Connection Type: raised face flange 1st end
Connection Type: raised face flange 2nd end
Flow Angle: 90.0 degrees 2nd end
Measuring Method And Length: 43.125 inches nominal working
Flange Style: round w / bolt holes 1st end
Flange Style: round w / bolt holes 2nd end
Special Features: item consists of two identical hoses joined by a 90.0 deg elbow,one leg having a length of 21.000 in. and the other leg having a length of 22.125 in.

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
16N14-872	Metallic Hose Assembly
AT2027	Metallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-146-0428?

The FSCG of the NSN 4720-00-146-0428 is 4720

Does the NSN 4720-00-146-0428 have a Schedule B code assigned?

Yes, the Schedule B code is 7411215000

Does NSN 4720-00-146-0428 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 4720-00-146-0428 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-146-0428 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 4720-00-146-0428 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Sep 10, 1971