4720-00-457-8563

Find complete technical information, availability, and procurement data for: 4720-00-457-8563
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-457-8563

Item Name Code

20311

Assigment Date

05/09/1969 (57 years ago)

right-hand 1st end thread direction, 1.375 inches nominal inside diameter, 3b 1st end thread class, -40.0 fahrenheit and 250.0 fahrenheit single response temp rating, 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
Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 1.375 inches nominal
Temp Rating: -40.0 fahrenheit and 250.0 fahrenheit single response
Bolt Circle Diameter: 2.312 inches nominal 2nd end
Flange Thickness: 0.312 inches nominal 2nd end
Outside Diameter: 1.750 inches nominal
Minimum Inside Bending Radius: 10.500 inches
Exterior Color: black
Bolt Hole Quantity: 3 2nd end
Flange Length: 3.000 inches nominal 2nd end
Flange Width: 3.000 inches nominal 2nd end
Connection Style: swivel nut flare 1st end
Connection Style: raised swivel 2nd end
Bolt Hole Diameter: 0.344 inches nominal 2nd end
Raised Face Height: 0.005 inches minimum and 0.013 inches maximum 2nd end
Raised Face Diameter: 1.781 inches nominal 2nd end
End Flange Construction: solid 2nd end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: raised face flange 2nd end
Connection Type: threaded internal tube 1st end
Features Provided: electrostatic discharge capability and reusable end fittings
Thread Quantity Per Inch: 12 1st end
Burst Test Pressure: 2000.0 pounds per square inch
Layer Composition And Location: 2nd layer rubber impregnated braided steel wire and 1st layer braided cotton cord and outer layer rubber impregnated braided cotton cord
Maximum Operating Pressure: 500.0 pounds per square inch
Nominal Thread Size: 1.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 1000.0 pounds per square inch
Outer Covering Environmental Protection: oil resistant
Vacuum In Torr: 50.8
Inside Surface Condition: smooth
Measuring Method And Length: 27.500 inches nominal working
Flange Style: triangular 2nd end
Media For Which Designed: air and fuel/oil, hydrocarbon and ethylene glycol single response
Thread Series Designator: un 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
9550-24-27 1-2	Nonmetallic Hose Assembly
9550-24-271-2	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-457-8563?

The FSCG of the NSN 4720-00-457-8563 is 4720

Does NSN 4720-00-457-8563 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 4720-00-457-8563 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-457-8563 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 4720-00-457-8563 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, May 9, 1969