National Item Identification Number
National Stock Number
Federal Supply Class
A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. It is designed to be locked in place by either a RING, LOCK, SERRATED or a RING, LOCK, KEYED.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-S-7633,CLASS 440 A FED SPEC SINGLE MATERIAL RESPONSE