4720-01-238-6999

Find complete technical information, availability, and procurement data for: 4720-01-238-6999
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-238-6999

Item Name Code

20311

Assigment Date

08/19/1986 (39 years ago)

A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes:packing, preformed; ring, piston; and seal ring, metal.

-40.0 fahrenheit and 200.0 fahrenheit single response temp rating, 0.440 inches nominal 1st end flange thickness, 3.380 inches nominal 1st end bolt circle diameter, round cross-sectional shape style, 1.810 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: 1.810 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Bolt Circle Diameter: 3.380 inches nominal 1st end
Flange Thickness: 0.440 inches nominal 1st end
Outside Diameter: 2.220 inches nominal
Minimum Inside Bending Radius: 13.250 inches
Bolt Hole Quantity: 4 1st end
Flange Outside Diameter: 4.500 inches nominal 1st end
Connection Style: raised 1st end
Bolt Hole Diameter: 0.560 inches nominal 1st end
Raised Face Height: 0.062 inches nominal 1st end
Raised Face Diameter: 2.740 inches nominal 1st end
End Flange Construction: solid 1st end
End Connection Design: straight 1st end
Connection Type: raised face flange 1st end
Burst Test Pressure: 1400.0 pounds per square inch
Layer Composition And Location: 1st layer braided synthetic cord and 2nd layer braided synthetic cord and outer layer molded rubber, synthetic
Maximum Operating Pressure: 350.0 pounds per square inch
Hydrostatic Test Pressure: 700.0 pounds per square inch
Inside Surface Condition: smooth
Measuring Method And Length: 17.000 inches nominal overall
Flange Style: round w / bolt holes 1st end
Media For Which Designed: fuel/oil, hydrocarbon and water single response

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
2580-32-190016-1.25X2 17IN	Nonmetallic Hose Assembly
FA7810NRN0170	Nonmetallic Hose Assembly
FA7810NRNR0170	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-238-6999?

The FSCG of the NSN 4720-01-238-6999 is 4720

Does NSN 4720-01-238-6999 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 4720-01-238-6999 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-238-6999 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 4720-01-238-6999 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Aug 19, 1986