#10-32 x 1-1/4" Slotted Drive Pan Head Zinc Finish Steel Machine Screw / PART NAME ASSIGNED BY CONTROLLING AGENCY: NAVY SPECIAL PROJECT BEARING SURFACE OF HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE SHANK SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE THREAD SERIES DESIGNATOR: UNF