4368877

View detailed technical data, stock status, and sourcing information for: 4368877
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-557-9779

Item Name Code

20311

Assigment Date

10/22/1969 (56 years ago)

0.500 inches nominal inside diameter, 3b 1st 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: 3b 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.500 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 0.750 inches nominal
Minimum Inside Bending Radius: 5.000 inches
Exterior Color: black
Connection Style: swivel nut flare 1st end
Connection Style: inverted flare 2nd end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal tube 1st end
Burst Test Pressure: 8000.0 pounds per square inch
Layer Composition And Location: 1st layer braided sisal fiber and outer layer molded rubber, chloroprene
Maximum Operating Pressure: 2000.0 pounds per square inch
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 30.0 degrees 2nd end
Seat Angle: 37.0 degrees and 45.0 degrees 1st end
Hydrostatic Test Pressure: 4000.0 pounds per square inch
Outer Covering Environmental Protection: abrasion resistant and fire resistant and oil resistant
Inside Surface Condition: smooth
Measuring Method And Length: 13.375 inches nominal overall
Thread Series Designator: nptf 2nd end
Thread Series Designator: unf 1st 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
4368877	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-557-9779?

The FSCG of the NSN 4720-00-557-9779 is 4720

Does the NSN 4720-00-557-9779 have a Schedule B code assigned?

Yes, the Schedule B code is 4006900000

Does NSN 4720-00-557-9779 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 4720-00-557-9779 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-557-9779 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 4720-00-557-9779 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Oct 22, 1969