National Item Identification Number
National Stock Number
Federal Supply Class
A straight fitting having a boss connection of a different size at each end. Both connections have external 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. Excludes BUSHING (as modified).
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL