4720-00-234-3978

Find complete technical information, availability, and procurement data for: 4720-00-234-3978
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-234-3978

Item Name Code

20311

Assigment Date

12/22/1971 (54 years ago)

1.000 inches nominal inside diameter, round cross-sectional shape style, 0.325 inches nominal 2nd end flange thickness, 0.325 inches nominal 1st end flange thickness, 1.435 inches nominal outside 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: 1.000 inches nominal
Flange Thickness: 0.325 inches nominal 1st end
Flange Thickness: 0.325 inches nominal 2nd end
Outside Diameter: 1.435 inches nominal
Minimum Inside Bending Radius: 12.000 inches
Exterior Color: black
Angle Between Rigid Elbow Fittings In Deg: 270.0
Flange Outside Diameter: 1.750 inches nominal 2nd end
Flange Outside Diameter: 1.750 inches nominal 1st end
Connection Style: plain w/ gasket groove (sae flanged head) 1st end
Connection Style: plain w/ gasket groove (sae flanged head) 2nd end
End Flange Construction: solid 1st end
End Flange Construction: solid 2nd end
End Connection Design: elbow 1st end
End Connection Design: elbow 2nd end
Connection Type: plain face flange 1st end
Connection Type: plain face flange 2nd end
Layer Composition And Location: outer layer molded rubber, synthetic and 1st layer braided steel wire
Flow Angle: 30.0 degrees 1st end
Flow Angle: 90.0 degrees 2nd end
Outer Covering Environmental Protection: oil resistant
Inside Surface Condition: smooth
Measuring Method And Length: 21.250 inches nominal overall
Flange Style: round w/ out bolt holes 1st end
Flange Style: round w/ out bolt holes 2nd end
Media For Which Designed: hydraulic fluid 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
9S7597	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-234-3978?

The FSCG of the NSN 4720-00-234-3978 is 4720

Does NSN 4720-00-234-3978 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 4720-00-234-3978 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-234-3978 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 4720-00-234-3978 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Dec 22, 1971