4730-01-027-6590

Find complete technical information, availability, and procurement data for: 4730-01-027-6590
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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

4730-01-027-6590

Item Name Code

22675

Assigment Date

09/19/1976 (49 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.

threaded external boss 2nd end connection type, 3a all ends thread class, external seat for gasket seal (boss) 2nd end connection style, threaded external tube 1st end connection type, flared (tube) 1st end connection style

Product Characteristics

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

Thread Class: 3a all ends
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: flared (tube) 1st end
Connection Type: threaded external boss 2nd end
Connection Type: threaded external tube 1st end
Nominal Thread Size: 0.475 inches 1st end
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 0.380 inches 1st end
Nominal Overall Length: 1.190 inches
Material: steel overall
Material Document And Classification: mil-f-18866,ty 1,style 3 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unf all ends

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
11648493	Tube to Boss Straight Adapter

FAQs

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

What is the FSCG of the NSN 4730-01-027-6590?

The FSCG of the NSN 4730-01-027-6590 is 4730

Does the NSN 4730-01-027-6590 have a Schedule B code assigned?

Yes, the Schedule B code is 7307992000

Does NSN 4730-01-027-6590 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 4730-01-027-6590 contain precious materials?

Precious metal content is unknown

Does NSN 4730-01-027-6590 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 4730-01-027-6590 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Sep 19, 1976