5305-00-685-3043 SCREW,CAP,SOCKET HEAD Index 5310-00-685-3048 WASHER,FLAT

National Stock Number:
5305-00-685-3044

Federal Supply Class:
5305

National Item Identification Number:
006853044

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.


Manufacturer Information:
25704-281200-47-0D1839BUNDESAMT FUER AUSRUESTUNG,
25704-281200-47-0D2692KRAUSS-MAFFEI WEGMANN GMBH & CO. KG-WERK KASSEL-
MS35457-6896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS35457-68D5589FEINMECHANISCHE WERKE MAINZ GMBH
MS35457-68D9893LIEBHERR-AEROSPACE LINDENBERG GMBH


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.553 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM YIELD STRENGTH140000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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