4920-00-603-0975 FIXTURE,AIRCRAFT MAINTENANCE Index 4920-00-603-0979 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
5306-00-603-0976

Federal Supply Class:
5306

National Item Identification Number:
006030976

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:
5B21-428-1143999THE BOEING COMPANY


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.782 INCHES NOMINAL
MATERIALSTEEL COMP 1018 OR
STEEL COMP 1212 OR
STEEL COMP 1213 OR
STEEL COMP 1117 OVERALL
THREAD LENGTH0.428 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC 1ST MATERIAL RESPONSE OR
QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR
QQ-S-637 FED SPEC 3RD MATERIAL RESPONSE OR
QQ-S-637 FED SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD HEIGHT0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
THE MANUFACTURERS DATA
MANUFACTURERS CODE43999
DESIGN CONTROL REFERENCE5B21-428-11


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