5310-00-638-8483 NUT,PLAIN,ROUND Index 5305-00-638-8491 SCREW,TAPPING

National Stock Number:
5305-00-638-8485

Federal Supply Class:
5305

National Item Identification Number:
006388485

Description:
SCREW,TAPPING

Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.


Manufacturer Information:
AN504-8R688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MILS603381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED
HEAD HEIGHT0.120 INCHES NOMINAL
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-685,AMEND 5,CD N FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.164 INCHES
NONMACHINE THREAD STYLENARROW FLUTE (TYPE E)
SURFACE TREATMENTCADMIUM OVERALL


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