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National Stock Number:
5305-01-273-4520
Federal Supply Class:
5305
National Item Identification Number:
012734520
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:
| 112-0579-190 | 94756 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM | | HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM YIELD STRENGTH | 125000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH ACROSS FLATS | 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.901 INCHES MINIMUM AND 1.016 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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