Part Number: MS20074-05-10

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CONDITION:
NS
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE80205
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M96906
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.515 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
FASTENER LENGTH1.031 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
HEAD STYLEHEXAGON
HEAD HEIGHT0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
HOLE DIAMETER0.070 INCHES NOMINAL
NOMINAL THREAD DIAMETER0.312 INCHES
GRIP LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HOLE QUANTITY6
HOLE TYPEDRILLED
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH18
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
MATERIALSTEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OVERALL OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNC
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.515 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
FASTENER LENGTH1.031 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
HEAD STYLEHEXAGON
HEAD HEIGHT0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
HOLE DIAMETER0.070 INCHES NOMINAL
NOMINAL THREAD DIAMETER0.312 INCHES
GRIP LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
HOLE QUANTITY6
HOLE TYPEDRILLED
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH18
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
MATERIALSTEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OVERALL OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNC
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of .19 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of . 15 inch ( . 38 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.