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4720-00-520-8777

Find complete technical information, availability, and procurement data for: 4720-00-520-8777

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4720-00-520-8777
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-520-8777
Item Name Code
20311
Assigment Date
01/01/1963 (63 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.

right-hand 1st end thread direction, 3b 1st end thread class, -65.0 fahrenheit and 450.0 fahrenheit single response temp rating, round cross-sectional shape style, 0.313 inches nominal inside 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
Thread Class
3b 1st end
Thread Direction
right-hand 1st end
Inside Diameter
0.313 inches nominal
Temp Rating
-65.0 fahrenheit and 450.0 fahrenheit single response
Connection Style
swivel nut flare 1st end
End Connection Design
straight 1st end
Connection Type
threaded internal tube 1st end
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
Seat Angle
37.0 degrees 1st end
Inside Surface Condition
smooth
Measuring Method And Length
22.000 inches nominal working
Thread Series Designator
unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4720-00-780-2801 No Name Available 12/08/1967

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
13000006-0220 Nonmetallic Hose Assembly
666003-6-0220 Nonmetallic Hose Assembly
79B0100006C0220 Nonmetallic Hose Assembly
EAB310-6-0220 Nonmetallic Hose Assembly
R3800-6-0220 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-520-8777?
The FSCG of the NSN 4720-00-520-8777 is 4720
Does NSN 4720-00-520-8777 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 4720-00-520-8777 contain precious materials?
Precious metal content is unknown
Does NSN 4720-00-520-8777 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 4720-00-520-8777 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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