4720-00-443-8398

Find complete technical information, availability, and procurement data for: 4720-00-443-8398
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-443-8398

Item Name Code

20311

Assigment Date

02/18/1972 (54 years ago)

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

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: 0.485 inches minimum and 0.531 inches maximum
Temp Rating: -65.0 fahrenheit and 250.0 fahrenheit single response
Outside Diameter: 0.841 inches minimum and 0.905 inches maximum
Minimum Inside Bending Radius: 7.000 inches
Connection Style: swivel nut flare 1st end
Connection Style: swivel nut flare 2nd end
End Connection Design: elbow 1st end
End Connection Design: straight 2nd end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Burst Test Pressure: 14000.0 pounds per square inch
Layer Composition And Location: 2nd layer braided steel wire and 1st layer braided steel wire and outer layer molded rubber, chloroprene
Maximum Operating Pressure: 3500.0 pounds per square inch
Nominal Thread Size: 0.750 inches 2nd end
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Hydrostatic Test Pressure: 7000.0 pounds per square inch
Flow Angle: 90.0 degrees 1st end
Outer Covering Environmental Protection: mildew resistant and oil resistant
Inside Surface Condition: smooth
Measuring Method And Length: 36.000 inches nominal overall
Special Features: 2.57 in. drop dimension of elbow fitting
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: unf 1st end
Thread Series Designator: unf 2nd end
Specification/Standard Data: 81349-mil-h-13531 government specification
Nondefinitive Spec/Std Data: 2 type and b class

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
3010641-8-10-8-36	Nonmetallic Hose Assembly
3010641-8-10-8-36.00	Nonmetallic Hose Assembly
304106-10-8-8-36	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-443-8398?

The FSCG of the NSN 4720-00-443-8398 is 4720

Does NSN 4720-00-443-8398 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 4720-00-443-8398 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-443-8398 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 4720-00-443-8398 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Feb 18, 1972