4720-01-437-8957

Find complete technical information, availability, and procurement data for: 4720-01-437-8957
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-437-8957

Item Name Code

11116

Assigment Date

10/25/1996 (29 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

1.500 inches nominal both ends end overall length, w/s code, aircraft, airlifter c-17a end item identification, 4.500 inches nominal first end inside diameter, 0.050 inches nominal wall thickness, round cross-sectional shape 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
Wall Thickness: 0.050 inches nominal
Inside Diameter: 4.500 inches nominal first end
End Item Identification: w/s code, aircraft, airlifter c-17a
End Overall Length: 1.500 inches nominal both ends
Connection Style: round both ends
Connection Type: preformed both ends
End Inside Diameter: 4.500 inches nominal both ends
Maximum Operating Pressure: 12.0 pounds per square inch
Measuring Method And Length: 5.000 inches nominal overall
Material: fiberglass and rubber chloroprene class cr 1st ply
Material: fiberglass and rubber chloroprene class cr 2nd ply
Material: fiberglass reinforcing cord
Material: steel reinforcing wire
Style Designator: helically wound continous wire supported

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
7D0105H18-20B	Air Duct Hose
DOU107036002006	Air Duct Hose
IT-5037H18-20B	Air Duct Hose

FAQs

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

What is the FSCG of the NSN 4720-01-437-8957?

The FSCG of the NSN 4720-01-437-8957 is 4720

Does NSN 4720-01-437-8957 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 4720-01-437-8957 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-437-8957 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 4720-01-437-8957 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Oct 25, 1996