4730-00-081-7256

Find complete technical information, availability, and procurement data for: 4730-00-081-7256
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

National Stock Number

4730-00-081-7256

Item Name Code

13566

Assigment Date

01/01/1961 (65 years ago)

A clamp in which the body (band or wire) completely encircles an item and distributes a relatively even amount of pressure throughout the entire 360 degrees (6.282 radians) of the periphery of the item to be compressed. Its compression quality is dependent upon an integral screw mechanism, (screw, bolt spring compression and the like mechanical fasteners), or it may be applied by a device not integral with the clamp itself. It is specifically designed to prevent leakage between a hose and its attaching connection(s) when the body of the clamp is round or circular. For square, rectangular, or irregularly shaped items, see clamp, hose, special-shaped. Excludes:clamp, electrical; clamp, loop; clamp, fire hose, shutoff; ferrule (as modified); and hand screw.

6.750 inches minimum and 7.120 inches maximum inside diameter, 450.0 fahrenheit temp rating, aircraft application end item identification, 0.625 inches nominal overall width, self-locking hexagon nut fastening device type

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 6.750 inches minimum and 7.120 inches maximum
Temp Rating: 450.0 fahrenheit
Overall Width: 0.625 inches nominal
End Item Identification: aircraft application
Fastening Device Type: self-locking hexagon nut
Material: steel bolt
Material: steel comp 301 band
Material: steel nut
Material Document And Classification: mil-b-6812 mil spec single material response bolt
Material Document And Classification: mil-b-6812 mil spec single material response nut
Material Document And Classification: mil-s-5059,1/2 hard mil spec single material response band
Surface Treatment: cadmium bolt
Surface Treatment: cadmium nut
Surface Treatment: passivate band
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response bolt
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response nut
Style Designator: band

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
MS21920-57	Hose Clamp

FAQs

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

What is the FSCG of the NSN 4730-00-081-7256?

The FSCG of the NSN 4730-00-081-7256 is 4730

Does the NSN 4730-00-081-7256 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908630

Does NSN 4730-00-081-7256 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 4730-00-081-7256 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-081-7256 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 4730-00-081-7256 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961