NSN 5306-01-271-2042

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-271-2042 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: 6886218153, 6886218-153, 5306-01-271-2042, 01-271-2042, 5306012712042, 012712042

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 20, 198801-271-204206675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-271-2042
Part Number Cage Code Manufacturer
6886218-15373342ALLISON TRANSMISSION, INC.
Technical Data | NSN 5306-01-271-2042
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
FASTENER LENGTH2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM
HEAD STYLE HEXAGON
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.434 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FIRST DIAMETER FROM HEAD0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.975 INCHES MINIMUM AND 0.995 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.040 INCHES MINIMUM AND 1.060 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.990 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT