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National Stock Number:
5305-99-142-7623
Federal Supply Class:
5305
National Item Identification Number:
991427623
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:
| 4400-79-6UNC1-41NLG | K2158 | EUROPEAN INDUSTRIAL SERVICES LTD T/A NETTLEFOLDS | | 4500-79-6UNC1-41NLG | K2158 | EUROPEAN INDUSTRIAL SERVICES LTD T/A NETTLEFOLDS | | PF79002-308 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD | | PF79002-308 | U2248 | SELEX ELSAG LTD | | PP79002-308 | U2248 | SELEX ELSAG LTD |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | FEATURES PROVIDED | AEQ | | HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | HEAD HEIGHT | 0.092 INCHES NOMINAL | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE IA | | MATERIAL DOCUMENT AND CLASSIFICATION | BS 970,EN2 (USE STG506) NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) | | SPECIAL FEATURES | 0.138-32 FORMING THDS | | SURFACE TREATMENT | CADMIUM AND CHROMATE |
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