5305-01-098-6143 SCREW,CAP,HEXAGON HEAD Index 5305-01-098-6147 SCREW,SHOULDER

National Stock Number:
5305-01-098-6144

Federal Supply Class:
5305

National Item Identification Number:
010986144

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
3/8-16 UNC-3A, 1.25081349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
M1222RN6C320GFNZE81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
S261023D6E9MERITOR INDUSTRIAL PRODUCTS, LLC
S2610-278500MERITOR HEAVY VEHICLE SYSTEMS, LLC
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-00122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
THREAD LENGTH1.000 INCHES MINIMUM
FASTENER LENGTH1.250 INCHES NOMINAL
MATERIALSTEEL COMP 1013 OR
STEEL COMP 1015 OR
STEEL COMP 1016 OR
STEEL COMP 1017 OR
STEEL COMP 1018 OR
STEEL COMP 1019 OR
STEEL COMP 1020 OR
STEEL COMP 1021 OR
STEEL COMP 1022 OR
STEEL COMP 1023 OR
STEEL COMP 1524 OR
STEEL COMP 1025 OR
STEEL COMP 1026 OR
STEEL COMP 1527 OR
STEEL COMP 1029 OR
STEEL COMP 1030 OR
STEEL COMP 1033 OR
STEEL COMP 1034 OR
STEEL COMP 1035 OR
STEEL COMP 1536 OR
STEEL COMP 1037 OR
STEEL COMP 1038 OR
STEEL COMP 1039 OR
STEEL COMP 1040 OR
STEEL COMP 1541 OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633,TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND
34.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.226 INCHES MINIMUM AND
0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND
5 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-1222
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE3/8-16 UNC-3A, 1.250


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