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4720-00-139-5420

Find complete technical information, availability, and procurement data for: 4720-00-139-5420

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4720-00-139-5420
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-139-5420
Item Name Code
20311
Assigment Date
08/29/1971 (54 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.

0.410 inches nominal inside diameter, right-hand 1st end thread direction, 2b 1st end thread class, round cross-sectional shape style, -40.0 fahrenheit and 250.0 fahrenheit single response temp rating

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 Direction
right-hand 1st end
Inside Diameter
0.410 inches nominal
Temp Rating
-40.0 fahrenheit and 250.0 fahrenheit single response
Outside Diameter
0.770 inches nominal
Minimum Inside Bending Radius
4.620 inches
Exterior Color
black
Connection Style
swivel nut flare 1st end
End Connection Design
straight 1st end
Connection Type
threaded internal tube 1st end
Burst Test Pressure
8000.0 pounds per square inch
Layer Composition And Location
2nd layer braided wire and outer layer rubber impregnated braided cotton cord and 1st layer braided textile yarn
Maximum Operating Pressure
2000.0 pounds per square inch
Nominal Thread Size
0.750 inches 1st end
Seat Angle
45.0 degrees 1st end
Hydrostatic Test Pressure
4000.0 pounds per square inch
Vacuum In Torr
50.8
Inside Surface Condition
smooth
Measuring Method And Length
67.500 inches nominal overall
Media For Which Designed
air and fuel/oil, hydrocarbon single response
Thread Series Designator
unf 1st end
Reference Number Differentiating Characteristics
as differentiated by magnetic permeability shall be less than 1.2 before fabrication and not greater than 2.0 after fabrication as measured in a 200 oersted field by permeability indicator specified in military spec mil-i-17214

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
B37405-7 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-139-5420?
The FSCG of the NSN 4720-00-139-5420 is 4720
Does NSN 4720-00-139-5420 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 4720-00-139-5420 contain precious materials?
Precious metal content is unknown
Does NSN 4720-00-139-5420 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 4720-00-139-5420 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sun, Aug 29, 1971

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