4720-00-851-6617

Find complete technical information, availability, and procurement data for: 4720-00-851-6617
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-851-6617

Item Name Code

17972

Assigment Date

01/01/1962 (64 years ago)

right-hand 2nd end thread direction, round cross-sectional shape style, right-hand 1st end thread direction, 3b 1st end thread class, 3b 2nd end thread class

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 Class: 3b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.250 inches nominal
Outside Diameter: 0.525 inches nominal
Minimum Inside Bending Radius: 2.500 inches
Inner Conveying Tube Style: helical close-pitch corrugated
Connection Style: swivel nut flare 1st end
Connection Style: swivel nut flare 2nd end
End Connection Design: elbow 2nd end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 3600.0 pounds per square inch
Nominal Thread Size: 0.438 inches 1st end
Nominal Thread Size: 0.438 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Hydrostatic Test Pressure: 5400.0 pounds per square inch
Flow Angle: 90.0 degrees 2nd end
Measuring Method And Length: 5.500 inches nominal overall
Thread Series Designator: unf 1st end
Thread Series Designator: unf 2nd 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
98811-0508	Metallic Hose Assembly
S2811430-4-0054	Metallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-851-6617?

The FSCG of the NSN 4720-00-851-6617 is 4720

Does the NSN 4720-00-851-6617 have a Schedule B code assigned?

Yes, the Schedule B code is 7307225000

Does NSN 4720-00-851-6617 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 4720-00-851-6617 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-851-6617 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 4720-00-851-6617 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962