4720-00-135-7957

Find complete technical information, availability, and procurement data for: 4720-00-135-7957
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-135-7957

Item Name Code

11116

Assigment Date

01/08/1969 (57 years ago)

A flexible, tubular item of light wall construction. It must have single or multiple layers of nonmetallic material, but may contain metal wire reinforcement, foil type liner, and/or woven or braided cover. It is designed to convey under low pressure gaseous material, such as air and fumes, and light weight solid materials, such as dust, powders, and fibers. For items with couplings, see hose assembly, air duct. For items of sleeve section design rated for high pressure use, see sleeve, seal, coupling. Excludes:hose, nonmetallic.

round cross-sectional shape style, round both ends connection style, 0.040 inches nominal wall thickness, 3.750 inches nominal first end inside diameter, 1.750 inches nominal both ends end overall length

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
Wall Thickness: 0.040 inches nominal
Inside Diameter: 3.750 inches nominal first end
End Overall Length: 1.750 inches nominal both ends
Connection Style: round both ends
Connection Type: soft both ends
End Inside Diameter: 3.750 inches nominal both ends
Measuring Method And Length: 13.630 inches nominal overall
Special Features: one soft end with a 10 degree bend
Material: rubber synthetic 1st ply
Material: rubber synthetic 2nd ply
Material: steel reinforcing wire
Style Designator: fully convoluted

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
216-55340-1	Air Duct Hose
5137	Air Duct Hose
IT-4449	Air Duct Hose

FAQs

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

What is the FSCG of the NSN 4720-00-135-7957?

The FSCG of the NSN 4720-00-135-7957 is 4720

Does NSN 4720-00-135-7957 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 4720-00-135-7957 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-135-7957 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 4720-00-135-7957 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Jan 8, 1969