4720-01-446-7231

Find complete technical information, availability, and procurement data for: 4720-01-446-7231
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-446-7231

Item Name Code

20311

Assigment Date

07/15/1997 (29 years ago)

A metallic or nonmetallic item of various peripheral shapes and a solid cross-section. It is designed to maintain a predetermined distance between two surfaces. It may have flat parallel bearing surfaces. Do not use if a more specific name applies. See also spacer, ring; spacer, plate; spacer, sleeve; spacer, stepped; shim and washer, flat.

round cross-sectional shape style, 0.485 inches nominal inside diameter, 3b 1st end thread class, -65.0 fahrenheit and 400.0 fahrenheit single response temp rating, 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: 0.485 inches nominal
Temp Rating: -65.0 fahrenheit and 400.0 fahrenheit single response
Outside Diameter: 0.625 inches nominal
Minimum Inside Bending Radius: 4.000 inches
End Item Identification: used on weapon system seawolf class ssn
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Burst Test Pressure: 12000.0 pounds per square inch
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 3000.0 pounds per square inch
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 6000.0 pounds per square inch
Inside Surface Condition: smooth
Measuring Method And Length: 38.625 inches nominal overall
Thread Series Designator: unjf 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
6405267-ASSY71A	Nonmetallic Hose Assembly
AS153-12-0385	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-446-7231?

The FSCG of the NSN 4720-01-446-7231 is 4720

Does NSN 4720-01-446-7231 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 4720-01-446-7231 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-446-7231 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 4720-01-446-7231 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Jul 15, 1997