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National Stock Number:
5305-01-442-7729
Federal Supply Class:
5305
National Item Identification Number:
014427729
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:
| 211048515 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 752-6406840-75 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | | STEEL COMP 4340 FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM THREADS | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.550 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | HEAD HEIGHT | 0.368 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL | | LOCKING FEATURE | PATCH OR | | STRIP OR | | PELLET THREADS |
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