5305-00-042-6890 SCREW,MACHINE Index 5310-00-042-6893 NUT,PLAIN,HEXAGON

National Stock Number:
5305-00-042-6892

Federal Supply Class:
5305

National Item Identification Number:
000426892

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:
25704-281200-45-0D1839BUNDESAMT FUER AUSRUESTUNG,
25704-281200-45-0D2692KRAUSS-MAFFEI WEGMANN GMBH & CO. KG-WERK KASSEL-
42689221450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
MS35457-5196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
426892A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
426892SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
MS35457-51D5589FEINMECHANISCHE WERKE MAINZ GMBH
MS35457-51D9893LIEBHERR-AEROSPACE LINDENBERG GMBH


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD LENGTH1.000 INCHES MAXIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OR
ZINC OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM YIELD STRENGTH140000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.429 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND
0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.218 INCHES MINIMUM AND
0.220 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS35457-51


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