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National Stock Number:
5305-99-900-8637
Federal Supply Class:
5305
National Item Identification Number:
999008637
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 0266-16444 | U1278 | MINISTRY OF DEFENCE NAVY | | 2044 | K2158 | EUROPEAN INDUSTRIAL SERVICES LTD T/A NETTLEFOLDS | | B148440-3 | K0016 | REDIFON MEL LTD | | B148440-3 | K0162 | THALES UK LIMITED SECURE COMMUNICATIONS AND INFORMATION SYSTEMS | | FW61-7402-51 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD | | NM32967TX | K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD DIAMETER | 0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL | | MINIMUM TENSILE STRENGTH | 168000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.313 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CHARACTERISTICS | | SPECIAL FEATURES | W/NYLON INSERT | | WIDTH BETWEEN FLATS | 0.219 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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