5305-01-105-7197 SCREW,MACHINE Index 5306-01-105-7199 BOLT,MACHINE

National Stock Number:
5306-01-105-7198

Federal Supply Class:
5306

National Item Identification Number:
011057198

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.


Manufacturer Information:
2640-682-05 ITEM 2796169ELECTRIC BOAT CORPORATION
4687720-0027D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
845-4687720ITEM 2753711NAVAL SEA SYSTEMS COMMAND
845-4558709 ITEM 2780064NAVAL SHIP SYSTEMS COMMAND
845-4687720 ITEM 2780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.310 INCHES NOMINAL
FASTENER LENGTH0.810 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.365 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.183 INCHES MINIMUM AND
0.188 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.500 INCHES NOMINAL


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