4720-01-621-6641

Find complete technical information, availability, and procurement data for: 4720-01-621-6641
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-621-6641

Item Name Code

31934

Assigment Date

09/15/2013 (12 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

round cross-sectional shape style, -4.0 fahrenheit and 175.0 fahrenheit single response temp rating, 1.6 inches nominal outside diameter, 1.5 inches nominal inside diameter, annular close-pitch corrugated inner conveying tube style

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: 1.5 inches nominal
Temp Rating: -4.0 fahrenheit and 175.0 fahrenheit single response
Outside Diameter: 1.6 inches nominal
Inner Conveying Tube Style: annular close-pitch corrugated
Exterior Color: brown or white
Features Provided: flexible
Maximum Operating Pressure: 20.0 pounds per square inch single response
Vacuum In Torr: 22.0
Inside Surface Condition: convoluted
Measuring Method And Length: 5.0 feet minimum overall and 20.0 feet maximum overall
Part Name Assigned By Controlling Agency: bend and stay duct hose for dust brown or white
Material: plastic polypropylene overall

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
12543941	Nonmetallic Tubing
56385K12	Nonmetallic Tubing

FAQs

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

What is the FSCG of the NSN 4720-01-621-6641?

The FSCG of the NSN 4720-01-621-6641 is 4720

Does NSN 4720-01-621-6641 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 4720-01-621-6641 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-621-6641 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 4720-01-621-6641 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Sun, Sep 15, 2013