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National Stock Number:
5305-01-521-9974
Federal Supply Class:
5305
National Item Identification Number:
015219974
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:
| 7226365-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD DIAMETER | 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON | | HOLE DIAMETER | 0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 3 | | INTERNAL DRIVE STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | MODIFIED FROM MS2473-2 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM |
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