4720-00-255-7812

Find complete technical information, availability, and procurement data for: 4720-00-255-7812
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-255-7812

Item Name Code

20311

Assigment Date

03/24/1971 (55 years ago)

0.852 inches minimum inside diameter, -65.0 fahrenheit and 400.0 fahrenheit single response temp rating, 3b 1st end thread class, round cross-sectional shape style, right-hand 1st 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
Inside Diameter: 0.852 inches minimum
Temp Rating: -65.0 fahrenheit and 400.0 fahrenheit single response
Outside Diameter: 1.390 inches maximum
Minimum Inside Bending Radius: 9.625 inches
Connection Style: swivel nut, flareless 1st end
End Connection Design: straight 1st end
End Fitting Component And Material: complete fitting steel corrosion resisting all ends
Fitting Component And Surface Treatment: complete fitting passivate 1st end
Connection Type: threaded internal tube 1st end
Features Provided: electrostatic discharge capability and reusable end fittings
Thread Quantity Per Inch: 12 1st end
Burst Test Pressure: 12000.0 pounds per square inch
Layer Composition And Location: 1st layer braided corrosion resistant steel wire and 2nd layer spirally laid steel wire and 3rd layer spirally laid steel wire and 4th layer spirally laid steel wire and 5th layer spirally laid steel wire and outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 3000.0 pounds per square inch
Nominal Thread Size: 1.312 inches 1st end
Seat Angle: 12.0 degrees 1st end
Hydrostatic Test Pressure: 6000.0 pounds per square inch
Outer Covering Environmental Protection: corrosion resistant
Inside Surface Condition: smooth
Measuring Method And Length: 32.500 inches nominal working
Special Features: inner conveying tube material-plastic, tetrafluoroethylene
Thread Series Designator: unj 1st end
Specification/Standard Data: sae as604,size 16081343 national std/spec and 81343-as604 government standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-01-287-8882	No Name Available	04/01/1990

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
170141-16CR0324	Nonmetallic Hose Assembly
170141-16CR0330	Nonmetallic Hose Assembly
66060616-0324	Nonmetallic Hose Assembly
66060616-0330	Nonmetallic Hose Assembly
AE1010735M0330	Nonmetallic Hose Assembly
AS621-16-0324	Nonmetallic Hose Assembly
MS27369M0324	Nonmetallic Hose Assembly
MS27369M0330	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-255-7812?

The FSCG of the NSN 4720-00-255-7812 is 4720

Does the NSN 4720-00-255-7812 have a Schedule B code assigned?

Yes, the Schedule B code is 7229908000

Does NSN 4720-00-255-7812 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 4720-00-255-7812 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-255-7812 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 4720-00-255-7812 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Mar 24, 1971