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National Stock Number:
5305-00-054-5203
Federal Supply Class:
5305
National Item Identification Number:
000545203
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:
| 923B672-1 | 83843 | SUNDSTRAND CORP ELECTRIC POWER SYSTEMS DIV | | 923B672-1 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.020 INCHES MAXIMUM | | FASTENER LENGTH | 0.990 INCHES MINIMUM AND | | 1.020 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4037 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.370 INCHES NOMINAL | | HEAD HEIGHT | 0.247 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.189 INCHES NOMINAL | | SPECIAL FEATURES | 0.060 IN. DIA HOLE DRILLED THRU LONGITUDINAL CENTERLINE |
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