4720-00-163-0256

Find complete technical information, availability, and procurement data for: 4720-00-163-0256
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-163-0256

Item Name Code

20311

Assigment Date

11/03/1971 (54 years ago)

2b 1st end thread class, right-hand 1st end thread direction, -40.0 fahrenheit and 300.0 fahrenheit single response temp rating, 0.188 inches nominal inside diameter, 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: 2b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.188 inches nominal
Temp Rating: -40.0 fahrenheit and 300.0 fahrenheit single response
Outside Diameter: 0.520 inches nominal
Minimum Inside Bending Radius: 3.000 inches
Exterior Color: black
Connection Style: swivel nut flare 1st end
End Connection Design: elbow 1st end
Connection Type: threaded internal tube 1st end
Features Provided: reusable end fittings
Burst Test Pressure: 12000.0 pounds per square inch
Layer Composition And Location: 2nd layer braided steel wire and outer layer rubber impregnated braided fabric and 1st layer braided textile yarn
Maximum Operating Pressure: 3000.0 pounds per square inch
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Flow Angle: 45.0 degrees 1st end
Outer Covering Environmental Protection: mildew resistant and oil resistant
Inside Surface Condition: smooth
Measuring Method And Length: 21.000 inches nominal overall
Media For Which Designed: air and fuel/oil, hydrocarbon single response
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
1S-B140	Nonmetallic Hose Assembly
214-B	Nonmetallic Hose Assembly
45-214	Nonmetallic Hose Assembly
45-8517	Nonmetallic Hose Assembly
9649360	Nonmetallic Hose Assembly
B140-2	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-163-0256?

The FSCG of the NSN 4720-00-163-0256 is 4720

Does the NSN 4720-00-163-0256 have a Schedule B code assigned?

Yes, the Schedule B code is 4009220050

Does NSN 4720-00-163-0256 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 4720-00-163-0256 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-163-0256 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 4720-00-163-0256 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Nov 3, 1971