4720-00-789-2611

Find complete technical information, availability, and procurement data for: 4720-00-789-2611
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-789-2611

Item Name Code

39227

Assigment Date

01/01/1962 (64 years ago)

A length of hose, air breathing with couplings on one or both ends and/or a communication cable. Excludes:items which include a branch hose or fork hoses; wiring for face mask heater; vent and pressure ducts for an anti-g-suit; hose assembly, nonmetallic.

1.094 inches minimum and 1.250 inches maximum both ends outside diameter, 0.875 inches nominal first end inside diameter, round cross-sectional shape style, 0.938 inches minimum and 1.062 inches maximum both ends end overall length, 0.125 inches nominal wall thickness

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: 0.125 inches nominal
Inside Diameter: 0.875 inches nominal first end
Outside Diameter: 1.094 inches minimum and 1.250 inches maximum both ends
End Overall Length: 0.938 inches minimum and 1.062 inches maximum both ends
Connection Style: round second end
Hose Weight: 5.000 ounces per linear foot
Connection Type: coupling second end
Connection Type: soft first end
Features Provided: ozone resistant and restraint cord
End Inside Diameter: 0.844 inches minimum and 0.875 inches maximum both ends
End Inside Diameter: 0.869 inches nominal first end
Maximum Operating Pressure: 20.0 pounds per square inch
Measuring Method And Length: 36.000 inches nominal overall
Coupling Style: connector, oxygen hose to regulator (note: applicable to hose assembly, air breathing only.) second end
Coupling Style: oxygen hose clamp first end
Special Features: end similarity:not identical; second end inside diameter:0.844 in. min.,0.875 in. max.; second end length:0.938 in. min.,1.062 in. max.; hose style:fully convoluted w/wire rings between convolutions,style no. 3 from old fiig a22900; hose material:copper coated steel wire and synthetic rubber impregnated cloth and nylon
Material: copper alloy 2nd end coupling
Material: copper alloy 1st end coupling
Material: cotton and fiberglass 1st ply
Material Document And Classification: qq-s-626 comp 22, 1/2h fed spec single material response 1st end coupling
Material Document And Classification: qq-s-626 comp 22, 1/2h fed spec single material response 2nd end coupling
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
MS22055B24	Air Breathing Hose Assembly
MS24552-24	Air Breathing Hose Assembly
REDAR-A10060-04	Air Breathing Hose Assembly
REDAR-A10060-4	Air Breathing Hose Assembly
SS1000-24	Air Breathing Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-789-2611?

The FSCG of the NSN 4720-00-789-2611 is 4720

Does the NSN 4720-00-789-2611 have a Schedule B code assigned?

Yes, the Schedule B code is 4009410000

Does NSN 4720-00-789-2611 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 4720-00-789-2611 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-789-2611 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 4720-00-789-2611 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962