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		                             National Stock Number: 5305-01-219-5401
  Federal Supply Class: 5305
  National Item Identification Number: 012195401
  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:
 | NAS1216-04-4L | 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 | UNJC |  | NOMINAL THREAD DIAMETER | 0.112 INCHES |  | THREAD QUANTITY PER INCH | 40 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.185 INCHES MINIMUM AND |   | 0.265 INCHES MAXIMUM |  | FASTENER LENGTH | 0.235 INCHES MINIMUM AND |   | 0.265 INCHES MAXIMUM |  | MATERIAL | STEEL COMP E4340 OR |   | STEEL COMP 4140 OR |   | STEEL COMP 8740 OR |   | STEEL COMP 8735 OR |   | STEEL COMP 6150 OVERALL |  | SURFACE TREATMENT | CADMIUM AND |   | CHROMATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |   | 40.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |  | HEAD STYLE | PAN NO. 2 |  | HEAD DIAMETER | 0.205 INCHES MINIMUM AND |   | 0.219 INCHES MAXIMUM |  | HEAD HEIGHT | 0.058 INCHES MINIMUM AND |   | 0.068 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HIGH-TORQUE |  | LOCKING FEATURE | PATCH THREADS |  | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |   | 32.0 MICROINCHES THREADS |  | SPECIFICATION/STANDARD DATA | 80205-NAS1216 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |   
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