NSN 5306-00-058-6687

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-058-6687 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.

Alternate Parts: 684166218, 6841662-18, 684166218, 6841662-18, 684166218, 6841662-18, 5306-00-058-6687, 00-058-6687, 5306000586687, 000586687

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-058-668706675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

ROUND

Cross Reference | NSN 5306-00-058-6687
Part Number Cage Code Manufacturer
6841662-1873342ALLISON TRANSMISSION, INC.
6841662-1824617GENERAL MOTORS CORP
6841662-1863005ROLLS-ROYCE CORPORATION
Technical Data | NSN 5306-00-058-6687
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.628 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD STYLE0 HEXAGON
HEAD HEIGHT0.330 INCHES NOMINAL
WIDTH BETWEEN FLATS0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY4
HOLE DIAMETER0.070 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.502 INCHES MINIMUM AND 0.562 INCHES MAXIMUM