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Federal Supply Class
A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see BOLT, SELF-LOCKING and STUD, LOCKED IN. Excludes INSERT, SCREW THREAD.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
QQ-P-416,TY 2,CL3 FED SPEC SINGLE TREATMEN