National Item Identification Number

00-278-8397
002788397
4730-00-278-8397
4730002788397

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)

---

81343

---

---

81343

---

---

Reference Numbers (Part Numbers)

AS18280
AS21911-6
MS21911-6

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT

Required Description

STEEL COMP 12L14 OR
STEEL COMP 1010 OVERALL
66,CARBON STEEL,0.20 PERCENT MAX F