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National Stock Number:
5305-01-267-8274
Federal Supply Class:
5305
National Item Identification Number:
012678274
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:
| BACS12AE3C | 17765 | THE BOEING COMPANY | | BACS12AE3C | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.186 INCHES NOMINAL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | HEAD HEIGHT | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON | | HOLE DIAMETER | 0.064 INCHES NOMINAL | | HOLE QUANTITY | 2 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | WIDTH ACROSS FLATS | 0.0937 INCHES MINIMUM AND 0.0947 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.776 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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