4720-00-621-4673

Find complete technical information, availability, and procurement data for: 4720-00-621-4673
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-621-4673

Item Name Code

20311

Assigment Date

01/01/1963 (63 years ago)

round cross-sectional shape style, 0.650 inches minimum inside diameter, 250.0 fahrenheit single response temp rating, 1.200 inches maximum outside diameter, 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 Direction: right-hand 1st end
Inside Diameter: 0.650 inches minimum
Temp Rating: 250.0 fahrenheit single response
Outside Diameter: 1.200 inches maximum
End Item Identification: aircraft, t-37;aircraft, t-38
Connection Style: swivel nut, flared 1st end
End Connection Design: straight 1st end
Connection Type: threaded external tube 1st end
Layer Composition And Location: outer layer rubber impregnated fabric
Outer Covering Environmental Protection: oil resistant
Criticality Code Justification: feat
Inside Surface Condition: smooth
Measuring Method And Length: 8.700 inches nominal overall
Special Features: color blue; this item has been determined to be a critical application item. in-flight failure of this item would create a hazardous condition
Media For Which Designed: fuel/oil, hydrocarbon 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
4740-1	Nonmetallic Hose Assembly
4740-3	Nonmetallic Hose Assembly
4740-5	Nonmetallic Hose Assembly
9900003-6	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-621-4673?

The FSCG of the NSN 4720-00-621-4673 is 4720

Does the NSN 4720-00-621-4673 have a Schedule B code assigned?

Yes, the Schedule B code is 4006900000

Does NSN 4720-00-621-4673 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 4720-00-621-4673 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-621-4673 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 4720-00-621-4673 was assigned to the Federal Catalog?

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