5305-01-160-4508 THUMBSCREW Index 5306-01-160-4510 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-160-4509

Federal Supply Class:
5306

National Item Identification Number:
011604509

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.


Manufacturer Information:
709-4684906 ITEM 3453711NAVAL SEA SYSTEMS COMMAND
709-4684906 ITEM 3480064NAVAL SHIP SYSTEMS COMMAND
87832-1635 ITEM96169ELECTRIC BOAT CORPORATION


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER2.280 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.470 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH3.002 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM
HEAD HEIGHT0.310 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SECOND DIAMETER FROM HEAD0.260 INCHES NOMINAL
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.532 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC


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