4720-00-722-4368

Find complete technical information, availability, and procurement data for: 4720-00-722-4368
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-722-4368

Item Name Code

17972

Assigment Date

01/01/1963 (63 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

2.800 inches maximum outside diameter, round cross-sectional shape style, 2.000 inches nominal inside diameter, 800.0 fahrenheit single response temp rating, 4.750 inches nominal 1st end bolt circle 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: 2.000 inches nominal
Temp Rating: 800.0 fahrenheit single response
Bolt Circle Diameter: 4.750 inches nominal 1st end
Outside Diameter: 2.800 inches maximum
Minimum Inside Bending Radius: 15.000 inches
Inner Conveying Tube Style: annular close-pitch corrugated
Bolt Hole Quantity: 4 1st end
Flange Outside Diameter: 6.000 inches nominal 1st end
Connection Style: raised 1st end
Bolt Hole Diameter: 0.750 inches nominal 1st end
Raised Face Height: 0.015 inches nominal 1st end
Raised Face Diameter: 3.062 inches nominal 1st end
End Flange Construction: solid 1st end
End Connection Design: straight 1st end
Connection Type: raised face flange 1st end
Features Provided: identical ends
Burst Test Pressure: 1500.0 pounds per square inch
Layer Composition And Location: 1st layer braided nickel copper alloy wire
Layer Composition And Location: outer layer braided nickel copper alloy wire
Hydrostatic Test Pressure: 1000.0 pounds per square inch
Measuring Method And Length: 42.000 inches nominal overall
Flange Style: round w / bolt holes 1st end
Special Features: item consists of two identical hose assemblies joined by a 90.0 deg elbow,each leg having a length of 21.000 in.

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
AT1818-4	Metallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-722-4368?

The FSCG of the NSN 4720-00-722-4368 is 4720

Does the NSN 4720-00-722-4368 have a Schedule B code assigned?

Yes, the Schedule B code is 7411215000

Does NSN 4720-00-722-4368 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 4720-00-722-4368 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-722-4368 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 4720-00-722-4368 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963