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		                        | National Stock Number:
 5305-01-080-4962
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 010804962
 
 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:
 
 | NAS1190E4P4 | 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 | UNJF |  | NOMINAL THREAD DIAMETER | 0.250 INCHES |  | THREAD QUANTITY PER INCH | 28 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.148 INCHES MINIMUM AND |  |  | 0.250 INCHES MAXIMUM |  | FASTENER LENGTH | 0.219 INCHES MINIMUM AND |  |  | 0.250 INCHES MAXIMUM |  | MATERIAL | PLASTIC LOCKING FEATURE |  |  | IRON ALLOY 660 FASTENER |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |  | HEAD STYLE | PAN |  | HEAD DIAMETER | 0.473 INCHES MINIMUM AND |  |  | 0.492 INCHES MAXIMUM |  | HEAD HEIGHT | 0.162 INCHES MINIMUM AND |  |  | 0.175 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |  | LOCKING FEATURE | PATCH OR |  |  | PELLET OR |  |  | STRIP THREADS |  | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |  |  | 32.0 MICROINCHES THREADS |  | SPECIFICATION/STANDARD DATA | 80205-NAS1190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | 
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