4720-00-991-8473

Find complete technical information, availability, and procurement data for: 4720-00-991-8473
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-991-8473

Item Name Code

20311

Assigment Date

01/01/1960 (66 years ago)

right-hand 1st end thread direction, right-hand 2nd end thread direction, 3b 1st end thread class, 3b 2nd end thread class, 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 Class: 3b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.312 inches nominal
Temp Rating: -65.0 fahrenheit and 500.0 fahrenheit single response
Outside Diameter: 0.453 inches nominal
Minimum Inside Bending Radius: 4.000 inches
Angle Between Rigid Elbow Fittings In Deg: 270.0
Connection Style: swivel nut flare 1st end
Connection Style: swivel nut flare 2nd end
End Connection Design: elbow 1st end
End Connection Design: elbow 2nd end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Features Provided: electrostatic discharge capability
Burst Test Pressure: 9000.0 pounds per square inch
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 1500.0 pounds per square inch
Nominal Thread Size: 0.562 inches 1st end
Nominal Thread Size: 0.562 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Hydrostatic Test Pressure: 3000.0 pounds per square inch
Flow Angle: 45.0 degrees 1st end
Flow Angle: 90.0 degrees 2nd end
Outer Covering Environmental Protection: corrosion resistant
Vacuum In Torr: 50.8
Inside Surface Condition: smooth
Measuring Method And Length: 8.750 inches nominal working
Thread Series Designator: unf 1st end
Thread Series Designator: unf 2nd end
Specification/Standard Data: 91547-1-300-207 manufacturers source control

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-195-9780	No Name Available	11/11/1973
4720-00-195-9782	No Name Available	11/11/1973
4720-00-406-4304	No Name Available	11/11/1973

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
1-300-207	Nonmetallic Hose Assembly
1-300-207-02	Nonmetallic Hose Assembly
1-300-207-03	Nonmetallic Hose Assembly
1-300-207-05	Nonmetallic Hose Assembly
666303-15	Nonmetallic Hose Assembly
R25126	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-991-8473?

The FSCG of the NSN 4720-00-991-8473 is 4720

Does NSN 4720-00-991-8473 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 4720-00-991-8473 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-991-8473 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 4720-00-991-8473 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960