5305-00-442-3281 SCREW,EXTERNALLY RELIEVED BODY Index 5305-00-442-3286 SCREW,MACHINE

National Stock Number:
5306-00-442-3284

Federal Supply Class:
5306

National Item Identification Number:
004423284

Description:
BOLT,MACHINE

Detail:
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 0.190 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 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
3M107-3-10A76301THE BOEING COMPANY
SL107-3-10A97393SPS TECHNOLOGIES LLC


Techincal Specification:
FASTENER LENGTH1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
GRIP LENGTH0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAD STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESFURNISHED WITH TAB 2024-T4 AL ALLOY; SPACER 4130 STEEL AND WASHER CRES; SPACER CADMIUM PLATED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.353 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32
WIDTH BETWEEN FLATS0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM


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