NSN 5306-01-344-5526

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-344-5526 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: L4100249003, L4100249-003, L4100249003, L4100249-003, L4100249003, L4100249-003, 5306-01-344-5526, 01-344-5526, 5306013445526, 013445526

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 31, 199101-344-552606675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

DOUBLE HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5306-01-344-5526
Part Number Cage Code Manufacturer
L4100249-0034GP55ACUFAST AIRCRAFT PRODUCTS INC.
L4100249-00343999BOEING COMPANY, THEDBA BOEING
L4100249-00357928SONIC INDUSTRIES INC.
Technical Data | NSN 5306-01-344-5526
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.388 INCHES NOMINAL
FASTENER LENGTH2.985 INCHES MINIMUM AND 3.015 INCHES MAXIMUM
HEAD STYLE0 HEXAGON
HEAD HEIGHT0.711 INCHES NOMINAL
WIDTH BETWEEN FLATS0.803 INCHES MINIMUM AND 0.814 INCHES MAXIMUM
EXTENDED WASHER DIAMETER1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.178 INCHES NOMINAL
HOLE CONFIGURATION STYLE DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.410 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.663 INCHES MINIMUM AND 0.665 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.597 INCHES MINIMUM AND 1.627 INCHES MAXIMUM
SPECIAL FEATURESHOLE DRILLED IN HEAD-DEPTH 0.331 INCH
END ITEM IDENTIFICATIONB1B