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		                             National Stock Number: 5305-01-148-2642
  Federal Supply Class: 5305
  National Item Identification Number: 011482642
  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:
 | 6-32UNCX1/4BHA | 08644 | BRIGGS DIV OF CELOTEX CORP |  | 6-32UNCX1/4BHA | 08664 | BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC |  | 6-32UNCX1/4BHA | 1CFF7 | BRISTOL INC. DBA REMOTE AUTOMATION SOLUTIONS DIV REMOTE AUTOMATION SOLUTIONS |  | FS2012-7C | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |  | 965876-7C | 82577 | RAYTHEON COMPANY |  | 965876-8C | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.138 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.158 INCHES MINIMUM AND |   | 0.250 INCHES MAXIMUM |  | FASTENER LENGTH | 0.220 INCHES MINIMUM AND |   | 0.250 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 4037 OVERALL |  | SURFACE TREATMENT | CADMIUM AND |   | CHROMATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |   | 45.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |  | HEAD STYLE | BUTTON |  | HEAD DIAMETER | 0.250 INCHES MINIMUM AND |   | 0.262 INCHES MAXIMUM |  | HEAD HEIGHT | 0.063 INCHES MINIMUM AND |   | 0.073 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.078 INCHES NOMINAL |   
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