4720-00-317-4138

Find complete technical information, availability, and procurement data for: 4720-00-317-4138
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-317-4138

Item Name Code

20311

Assigment Date

01/01/1963 (63 years ago)

1.750 inches nominal outside diameter, 1.380 inches nominal inside diameter, round cross-sectional shape style, 0.310 inches nominal 1st end flange thickness, 2.310 inches nominal 1st end bolt circle diameter

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: 1.380 inches nominal
Bolt Circle Diameter: 2.310 inches nominal 1st end
Flange Thickness: 0.310 inches nominal 1st end
Outside Diameter: 1.750 inches nominal
Minimum Inside Bending Radius: 11.000 inches
Center To Center Distance Between Bolt Holes Along Width: 2.000 inches nominal 2nd end
Bolt Hole Quantity: 3 2nd end
Bolt Hole Quantity: 4 1st end
Flange Length: 2.560 inches nominal 2nd end
Flange Width: 2.560 inches nominal 2nd end
Connection Style: raised 1st end
Connection Style: raised 2nd end
Bolt Hole Diameter: 0.344 inches nominal 1st end
Bolt Hole Diameter: 0.344 inches nominal 2nd end
Raised Face Height: 0.010 inches nominal 1st end
Raised Face Height: 0.010 inches nominal 2nd end
Raised Face Diameter: 1.780 inches nominal 1st end
Raised Face Diameter: 2.330 inches nominal 2nd end
End Flange Construction: solid 1st end
End Flange Construction: solid 2nd end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: raised face flange 1st end
Connection Type: raised face flange 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch
Inside Surface Condition: smooth
Measuring Method And Length: 17.200 inches nominal overall
Flange Style: rectangular (includes square) 2nd end
Flange Style: triangular 1st end

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
9577-24-0172	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-317-4138?

The FSCG of the NSN 4720-00-317-4138 is 4720

Does NSN 4720-00-317-4138 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 4720-00-317-4138 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-317-4138 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 4720-00-317-4138 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963