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National Stock Number:
5305-01-442-9734
Federal Supply Class:
5305
National Item Identification Number:
014429734
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:
| 211054669 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 752-6406821-114 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 3.250 INCHES NOMINAL | | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM FASTENER | | HEAD DIAMETER | 0.921 INCHES MINIMUM AND 0.928 INCHES MAXIMUM | | HEAD HEIGHT | 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH OR PELLET OR STRIP THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING FEATURE | | MATERIAL | STEEL COMP 4340 FASTENER | | MINIMUM YIELD STRENGTH | 153000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 11 | | THREAD SERIES DESIGNATOR | UNRC | | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
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