| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 5305-01-027-6263
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 010276263
 
 Description:
 SCREW,CAP,SOCKET HEAD
 
 Detail:
 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
 |  
		                        | 
 Manufacturer Information:
 
 | 218037 | 66503 | WOODWARD, INC. | 
 |  
					            | 
 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.164 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.438 INCHES NOMINAL |  | FASTENER LENGTH | 0.500 INCHES NOMINAL |  | MATERIAL | STEEL COMP 4037 OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400-2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.262 INCHES MINIMUM AND |  |  | 0.270 INCHES MAXIMUM |  | HEAD HEIGHT | 0.159 INCHES MINIMUM AND |  |  | 0.164 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.141 INCHES MINIMUM AND |  |  | 0.143 INCHES MAXIMUM |  | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |  | HOLE TYPE | DRILLED |  | HOLE QUANTITY | 6 |  | HOLE DIAMETER | 0.047 INCHES NOMINAL |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 66503 |  | DESIGN CONTROL REFERENCE | 218037 | 
 |  |