8455-00-016-1758 LAPEL BUTTON,AWARD Index 5305-00-016-1790 SCREW,TAPPING

National Stock Number:
5305-00-016-1779

Federal Supply Class:
5305

National Item Identification Number:
000161779

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:
16177912204DAIMLER CHRYSLER
16177924617GENERAL MOTORS CORP
1617797X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HEAD DIAMETER0.231 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
HEAD HEIGHT0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.125 INCHES
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL


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