4730-00-066-7779

Find complete technical information, availability, and procurement data for: 4730-00-066-7779
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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

4730-00-066-7779

Item Name Code

22683

Assigment Date

01/01/1963 (63 years ago)

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also tee, tube; and tee, pipe to tube. Excludes:connector, multiple, fluid pressure line.

3b 1st end thread class, threaded internal tube 1st end connection type, unthreaded internal tube 2nd end connection type, 0.437 inches 1st end nominal thread size, steel overall material

Product Characteristics

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

Thread Class: 3b 1st end
Connection Type: threaded internal tube 1st end
Connection Type: unthreaded internal tube 2nd end
Nominal Thread Size: 0.437 inches 1st end
Material: steel overall
Material Document And Classification: ams 5646 assn std single material response overall
Thread Series Designator: unf 1st end

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
478802	Tube to Boss Tee

FAQs

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

What is the FSCG of the NSN 4730-00-066-7779?

The FSCG of the NSN 4730-00-066-7779 is 4730

Does the NSN 4730-00-066-7779 have a Schedule B code assigned?

Yes, the Schedule B code is 7307992000

Does NSN 4730-00-066-7779 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 4730-00-066-7779 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-00-066-7779 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 4730-00-066-7779 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963