4720-01-657-1259

Find complete technical information, availability, and procurement data for: 4720-01-657-1259
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-657-1259

Item Name Code

20311

Assigment Date

07/29/2016 (9 years ago)

A coupler which provides a means of transfer of electrical energy between an antenna and other components. See also line, radio frequency transmission; cable assembly (as modified); and network, impedance matching.

1.5 inches minimum inside bending radius, -58.0 fahrenheit and 302.0 fahrenheit single response temp rating, round cross-sectional shape style, 0.74 inches nominal outside diameter, 0.4062 inches nominal inside diameter

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
Inside Diameter: 0.4062 inches nominal
Temp Rating: -58.0 fahrenheit and 302.0 fahrenheit single response
Outside Diameter: 0.74 inches nominal
Minimum Inside Bending Radius: 1.5 inches
End Item Identification: 2320015442244
Connection Style: swivel nut flare all ends
End Connection Design: elbow 2nd end
End Connection Design: straight 1st end
End Fitting Component And Material: complete fitting steel corrosion resisting all ends
Connection Type: threaded internal tube all ends
Thread Quantity Per Inch: 16 all ends
Burst Test Pressure: 2000.0 pounds per square inch
Maximum Operating Pressure: 500.0 pounds per square inch
Nominal Thread Size: 0.75 inches all ends
Seat Angle: 37.0 degrees all ends
Flow Angle: 90.0 degrees 2nd end
Outer Covering Environmental Protection: abrasion resistant
Measuring Method And Length: 19.0 inches nominal overall
Media For Which Designed: air and fuel, diesel and hydraulic fluid and oil and water-glycol single response
Thread Series Designator: unf all ends

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
3844171	Nonmetallic Hose Assembly
P2936839080808-19.0	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-657-1259?

The FSCG of the NSN 4720-01-657-1259 is 4720

Does NSN 4720-01-657-1259 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 4720-01-657-1259 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-657-1259 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 4720-01-657-1259 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Fri, Jul 29, 2016