4720-00-999-7776

Find complete technical information, availability, and procurement data for: 4720-00-999-7776
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4720-00-999-7776 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-999-7776

Item Name Code

20311

Assigment Date

03/21/1966 (60 years ago)

4.000 inches nominal inside diameter, 4.625 inches nominal outside diameter, round cross-sectional shape style, right-hand 1st end thread direction, 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 Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 4.000 inches nominal
Outside Diameter: 4.625 inches nominal
Connection Style: gasket seal / optional end 2nd end
Connection Style: plain 1st end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
End Fitting Component And Material: complete fitting copper alloy all ends
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal boss 2nd end
Burst Test Pressure: 700.0 pounds per square inch
Layer Composition And Location: outer layer molded rubber, chloroprene
Nominal Thread Size: 4.000 inches 1st end
Nominal Thread Size: 4.000 inches 2nd end
Hydrostatic Test Pressure: 280.0 pounds per square inch
Outer Covering Environmental Protection: fuel resistant and oil resistant and mildew resistant and ozone resistant
Inside Surface Condition: smooth
Measuring Method And Length: 240.000 inches nominal overall
Special Features: inner conveying tube material-rubber, synthetic
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: npsh 2nd end
Thread Series Designator: npt 1st end
Specification/Standard Data: 81349-mil-h-26521 government specification

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
26887-0078	Nonmetallic Hose Assembly
M26521-4-240	Nonmetallic Hose Assembly
M26521C4.0R240	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-999-7776?

The FSCG of the NSN 4720-00-999-7776 is 4720

Does the NSN 4720-00-999-7776 have a Schedule B code assigned?

Yes, the Schedule B code is 4006900000

Does NSN 4720-00-999-7776 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 4720-00-999-7776 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-999-7776 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 4720-00-999-7776 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Mar 21, 1966