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National Stock Number:
5305-01-157-1987
Federal Supply Class:
5305
National Item Identification Number:
011571987
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.
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Manufacturer Information:
| 11501149 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 11501149 | 7X677 | GENERAL MOTORS LLC | | 11504477 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 9417987 | 24617 | GENERAL MOTORS CORP | | 11504477 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) | | NONMACHINE NOMINAL THREAD DIAMETER | 4.2 MILLIMETERS | | FASTENER LENGTH | 19.20 MILLIMETERS MINIMUM AND | | 20.80 MILLIMETERS MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4255-M MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | OVAL COUNTERSUNK | | HEAD DIAMETER | 7.4 MILLIMETERS MINIMUM AND | | 8.7 MILLIMETERS MAXIMUM | | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND | | 92.0 DEGREES MAXIMUM | | SPLINE MAJOR DIAMETER | 3.4 MILLIMETERS NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 7X677 | | DESIGN CONTROL REFERENCE | 11501149 |
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