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		                        | National Stock Number:
 5305-01-417-5098
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 014175098
 
 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.
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 Manufacturer Information:
 
 | NAS1351C4H14P | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNRF |  | NOMINAL THREAD DIAMETER | 0.250 INCHES |  | THREAD QUANTITY PER INCH | 28 |  | THREAD CLASS | 3A |  | FASTENER LENGTH | 0.804 INCHES MINIMUM AND |  |  | 0.875 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 302 OR |  |  | STEEL COMP 304 OR |  |  | STEEL COMP 305 OR |  |  | STEEL COMP 316 OR |  |  | STEEL COMP 384 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD ALL MATERIAL RESPONSES OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 1, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.365 INCHES MINIMUM AND |  |  | 0.375 INCHES MAXIMUM |  | HEAD HEIGHT | 0.244 INCHES MINIMUM AND |  |  | 0.250 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.1875 INCHES MINIMUM AND |  |  | 0.1900 INCHES MAXIMUM |  | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |  | HOLE TYPE | DRILLED |  | HOLE QUANTITY | 6 |  | HOLE DIAMETER | 0.044 INCHES MINIMUM AND |  |  | 0.050 INCHES MAXIMUM |  | SPECIFICATION/STANDARD DATA | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | 
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