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4720-00-789-6551

Find complete technical information, availability, and procurement data for: 4720-00-789-6551

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4720-00-789-6551
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-789-6551
Item Name Code
20311
Assigment Date
01/01/1962 (64 years ago)

A length of nonmetallic hose with fittings on one or both ends. For items without fittings, see hose, nonmetallic. Excludes:hose assembly, air duct; and hose assembly, air duct, air breathing.

2b 1st end thread class, right-hand 2nd end thread direction, round cross-sectional shape style, right-hand 1st end thread direction, 2b 2nd end thread class

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
2b 1st end
Thread Class
2b 2nd end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Inside Diameter
0.625 inches nominal
Temp Rating
-40.0 fahrenheit and 275.0 fahrenheit single response
Outside Diameter
1.078 inches nominal
Minimum Inside Bending Radius
6.500 inches
Connection Style
swivel nut flare 1st end
Connection Style
swivel nut flare 2nd end
End Connection Design
elbow 2nd end
End Connection Design
straight 1st end
Connection Type
threaded internal tube 1st end
Connection Type
threaded internal tube 2nd end
Thread Quantity Per Inch
12 1st end
Thread Quantity Per Inch
12 2nd end
Burst Test Pressure
6000.0 pounds per square inch
Layer Composition And Location
1st layer braided cotton cord and 2nd layer sheet rubber and 3rd layer braided corrosion resistant steel wire and 4th layer sheet rubber and outer layer rubber impregnated braided cotton cord
Maximum Operating Pressure
1500.0 pounds per square inch
Nominal Thread Size
1.062 inches 1st end
Nominal Thread Size
1.062 inches 2nd end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Flow Angle
90.0 degrees 2nd end
Outer Covering Environmental Protection
mildew resistant and oil resistant
Inside Surface Condition
smooth
Measuring Method And Length
115.763 inches minimum working and 118.963 inches maximum working
Media For Which Designed
fuel/oil, hydrocarbon single response
Thread Series Designator
un 1st end
Thread Series Designator
un 2nd 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
0631569 Nonmetallic Hose Assembly
0631569-5 Nonmetallic Hose Assembly
631569 Nonmetallic Hose Assembly
70631569 Nonmetallic Hose Assembly
760645239 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-789-6551?
The FSCG of the NSN 4720-00-789-6551 is 4720
Does NSN 4720-00-789-6551 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 4720-00-789-6551 contain precious materials?
Precious metal content is unknown
Does NSN 4720-00-789-6551 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 4720-00-789-6551 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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