4720-01-221-5351

Find complete technical information, availability, and procurement data for: 4720-01-221-5351
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-221-5351

Item Name Code

11116

Assigment Date

11/29/1985 (40 years ago)

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

round both ends connection style, 2.000 inches nominal both ends end overall length, 4120-01-154-9127( type ma-3,model mad-3d ). t.o.35e9-9-64 f.6 i.83 end item identification, round cross-sectional shape style, 10.620 inches nominal first end 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: 10.620 inches nominal first end
End Item Identification: 4120-01-154-9127( type ma-3,model mad-3d ). t.o.35e9-9-64 f.6 i.83
End Overall Length: 2.000 inches nominal both ends
Connection Style: round both ends
Connection Type: preformed both ends
Features Provided: fungus resistant treatment
End Inside Diameter: 10.620 inches nominal both ends
Maximum Operating Pressure: 4.0 pounds per square inch
Measuring Method And Length: 6.500 inches nominal overall
External Operating Pressure: 0.0 pounds per square inch
Special Features: ambient operating range: from 0 deg. f to 140 deg. f; also,stored at: -65 deg. f to +160 deg. f. environmental exposure: 1) the flexible duct shall be capable of conforming to all requirements specified herein after exposure to the following environmental conditions: a) ambient temperature of -65 deg. f to +160 deg. f. b) radiant energy as found under natural conditions. c) salt spray as may be encountered in salt-sea atmosphere. d) fungus growth as may be encountered intropical climate. e) rainfall as encountered in any locate. f) sand and dustas may be encountered in desert areas.
Material: rubber synthetic all plies
Style Designator: sleeve section

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
11833-3	Air Duct Hose
FLX100185002608	Air Duct Hose

FAQs

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

What is the FSCG of the NSN 4720-01-221-5351?

The FSCG of the NSN 4720-01-221-5351 is 4720

Does NSN 4720-01-221-5351 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 4720-01-221-5351 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-221-5351 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 4720-01-221-5351 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Nov 29, 1985