National Item Identification Number

00-278-8398
002788398
4730-00-278-8398
4730002788398

National Stock Number

Item Name

TEE,TUBE TO BOSS

Federal Supply Class

4730

Description

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.

Commercial and Government Entity Code (Supplier Data)

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81343

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81343

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81343

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Reference Numbers (Part Numbers)

AS18280
AS21911
MS21911-4
MS21911V4P

Required Categories

MATERIAL
SURFACE TREATMENT
CONNECTION TYPE
CONNECTION STYLE
SEAT ANGLE
NOMI

Required Description

STEEL OVERALL
CADMIUM OVERALL
THREADED EXTERNAL TUBE 1ST END
THREADED INTERNA