4720-00-851-7861

Find complete technical information, availability, and procurement data for: 4720-00-851-7861
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-851-7861

Item Name Code

20311

Assigment Date

11/18/1966 (59 years ago)

2a 1st end thread class, round cross-sectional shape style, right-hand 2nd end thread direction, 0.250 inches nominal inside diameter, 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: 2a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.250 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 0.500 inches nominal
Minimum Inside Bending Radius: 3.000 inches
Exterior Color: black
Connection Style: swivel nut, inverted flare 1st end
Connection Style: plain 2nd end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Burst Test Pressure: 1000.0 pounds per square inch
Layer Composition And Location: 1st layer braided textile yarn and 2nd layer molded rubber, chloroprene
Maximum Operating Pressure: 250.0 pounds per square inch
Nominal Thread Size: 0.125 inches 2nd end
Nominal Thread Size: 0.375 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 500.0 pounds per square inch
Inside Surface Condition: smooth
Measuring Method And Length: 28.500 inches nominal overall
Thread Series Designator: npt 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
294654C91	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-851-7861?

The FSCG of the NSN 4720-00-851-7861 is 4720

Does NSN 4720-00-851-7861 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 4720-00-851-7861 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-851-7861 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 4720-00-851-7861 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Nov 18, 1966