National Item Identification Number
National Stock Number
Federal Supply Class
A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes ELBOW, TUBE.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
THREADED EXTERNAL BOSS ALL ENDS
THREADED EXTERNAL TUBE INLET