NSN 5306-01-262-5410

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-262-5410 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: J644P12B, J644P12B, J644P12B, J644P12B, J644P12B, J644P12B, J644P12B, J644P12B, J644P12BQQ, J644P12B, 5306-01-262-5410, 01-262-5410, 5306012625410, 012625410

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 31, 198701-262-541006675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5306-01-262-5410
Part Number Cage Code Manufacturer
J644P12B92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
J644P12B06329ASC INTERNATIONAL, INC.DBA ASC INDUSTRIES
J644P12B27238BRISTOL INDUSTRIES
J644P12B07482GENERAL ELECTRIC COMPANYDBA GE
J644P12B23899J.W. MANUFACTURING, INCDBA ARCONIC FASTENING SYSTEMS AND
J644P12B2T498MORTON GRINDING, INC.DBA MORTON MANUFACTURING
J644P12B56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
J644P12B06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
J644P12BQQ085X4TURBINE KINETICS, INC.
J644P12B06710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5306-01-262-5410
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
FASTENER LENGTH0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
HOLE CONFIGURATION STYLE DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY2
HOLE DIAMETER0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.128 INCHES MINIMUM AND 0.188 INCHES MAXIMUM