4720-00-555-4311

Find complete technical information, availability, and procurement data for: 4720-00-555-4311
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-555-4311

Item Name Code

17972

Assigment Date

03/31/1972 (54 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

1.920 inches nominal outside diameter, round cross-sectional shape style, 1.250 inches nominal inside diameter, 2b 1st end thread class, 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: 2b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 1.250 inches nominal
Outside Diameter: 1.920 inches nominal
Minimum Inside Bending Radius: 3.250 inches
Inner Conveying Tube Style: welded corrugated
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Features Provided: identical ends
Thread Quantity Per Inch: 12 1st end
Burst Test Pressure: 725.0 pounds per square inch
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 485.0 pounds per square inch
Nominal Thread Size: 1.625 inches 1st end
Seat Angle: 37.0 degrees 1st end
Measuring Method And Length: 27.000 inches nominal overall
Thread Series Designator: un 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
010990	Metallic Hose Assembly
11233261-32	Metallic Hose Assembly
85957-102	Metallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-555-4311?

The FSCG of the NSN 4720-00-555-4311 is 4720

Does NSN 4720-00-555-4311 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 4720-00-555-4311 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-555-4311 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 4720-00-555-4311 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Mar 31, 1972