4684449-T/F78

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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

4730-01-318-9692

Item Name Code

29667

Assigment Date

04/28/1990 (36 years ago)

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. It has a flange connection on one end designed to connect with another flange connection, or a compression type mounting pad. The other end has standard pipe threads or is unthreaded and designed to accommodate a pipe. It may have side and/or heel inlet(s).

submarine; trident end item identification, socket (pipe) 1st end connection style, 1.500 inches 1st end nominal pipe size accommodated, 2.940 inches nominal 1st end leg length, 6 2nd end bolt hole quantity

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.500 inches 1st end
Bolt Hole Quantity: 6 2nd end
End Item Identification: submarine; trident
Connection Style: socket (pipe) 1st end
Leg Length: 2.940 inches nominal 1st end
Leg Length: 3.620 inches nominal 2nd end
Flange Shape: round with holes 2nd end
Connection Type: flange 2nd end
Connection Type: unthreaded internal pipe 1st end
Flow Angle: 90.0 degrees
Nominal Outside Diameter: 5.060 inches 2nd end
Nominal Thickness: 0.790 inches 2nd end
Bolt Hole Nominal Diameter: 0.562 inches 2nd end
Bolt Circle Nominal Diameter: 3.938 inches 2nd end
Flange Face Design: plain 2nd end
Special Features: (mod)-undrilled flanged bolt holes - untill installer drills them per submarine application
Material: copper alloy overall

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
2621-166-03 PIECE 131AP(MOD)	Flange to Pipe Elbow
4684449-T/F78	Flange to Pipe Elbow

FAQs

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

What is the FSCG of the NSN 4730-01-318-9692?

The FSCG of the NSN 4730-01-318-9692 is 4730

Does the NSN 4730-01-318-9692 have a Schedule B code assigned?

Yes, the Schedule B code is 7412200000

Does NSN 4730-01-318-9692 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 4730-01-318-9692 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-318-9692 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 4730-01-318-9692 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Apr 28, 1990