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National Stock Number:
5305-00-817-4417
Federal Supply Class:
5305
National Item Identification Number:
008174417
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:
| 8175887 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | S1114189-210-5 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.312 INCHES NOMINAL | | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | MINIMUM YIELD STRENGTH | 75000 POUNDS PER SQUARE INCH | | NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
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