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4720-01-399-1831

Find complete technical information, availability, and procurement data for: 4720-01-399-1831

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4720-01-399-1831
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-01-399-1831
Item Name Code
20311
Assigment Date
11/18/1994 (31 years ago)

A fitting that forms an angle of less than 180 degrees (3.142 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe; elbow, tube; and connector, multiple, fluid pressure line.

right-hand 1st end thread direction, right-hand 2nd end thread direction, 3b 2nd end thread class, 3b 1st 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
0.602 inches minimum
Temp Rating
-67.0 fahrenheit and 400.0 fahrenheit single response
Outside Diameter
0.884 inches maximum
Minimum Inside Bending Radius
3.880 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
Features Provided
electrostatic discharge capability and nuts drilled for lockwire
Thread Quantity Per Inch
12 1st end
Thread Quantity Per Inch
12 2nd end
Burst Test Pressure
12000.0 pounds per square inch
Layer Composition And Location
outer layer braided corrosion resistant steel wire
Maximum Operating Pressure
3000.0 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
Hydrostatic Test Pressure
6000.0 pounds per square inch
Flow Angle
90.0 degrees 2nd end
Inside Surface Condition
smooth
Measuring Method And Length
19.250 inches nominal overall
Thread Series Designator
unj 1st end
Thread Series Designator
unj 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
AE2460250K0192 Nonmetallic Hose Assembly
GH12AR3K0192NH Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-399-1831?
The FSCG of the NSN 4720-01-399-1831 is 4720
Does NSN 4720-01-399-1831 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 4720-01-399-1831 contain precious materials?
Item does not contain precious metal.
Does NSN 4720-01-399-1831 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 4720-01-399-1831 was assigned to the Federal Catalog?
It was assigned 31 years ago, on Fri, Nov 18, 1994

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