#10-32 x 1/2" Phillips Drive Pan Head Zinc Finish Steel Machine Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.500 INCHES NOMINAL FASTENER LENGTH: 0.500 INCHES NOMINAL END ITEM IDENTIFICATION: 3655-01-556-1083, NITROGEN GENERATOR THREAD QUANTITY PER INCH: 32 PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW, 10-32 X 1/2 INCH SPECIAL FEATURES: NHA CABINET ASSEMBLY THREAD SERIES DESIGNATOR: UNF