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National Stock Number:
5306-01-528-5102
Federal Supply Class:
5306
National Item Identification Number:
015285102
Description:
BOLT,INTERNAL WRENCHING
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.
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Manufacturer Information:
| 7592272 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.438 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM | | HEAD DIAMETER | 0.814 INCHES NOMINAL | | HEAD HEIGHT | 0.712 INCHES NOMINAL | | HEAD STYLE | FLAT FILLISTER | | INTERNAL DRIVE STYLE | HEXAGON | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SPECIAL FEATURES | TOP 0.125IN OF HEAD EXTENDS OUT TO FORM FLAT CHAMFER WITH OUTSIDE DIAMETER OF 0.940IN. THE TOP OF THE HEAD/CHAMFER HAS THE SAME DIAMETER (0.814IN) AS THE REST OF THE HEAD. | | WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNRF |
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