National Item Identification Number
National Stock Number
Federal Supply Class
A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. It may have side inlet(s). It is used as a junction at the intersection of a tube or tube fitting.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-S-637 COMP 1137 OR 1141,MIL-S-6758 /4130/,MIL-S-5226 /4140/ FE