NSN 5306-00-550-2688

Part Details | MACHINE BOLT

5306-00-550-2688 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Alternate Parts: 279231, 279231, 279231, 279231, 5306-00-550-2688, 00-550-2688, 5306005502688, 005502688

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-550-268801847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

ROUND

Cross Reference | NSN 5306-00-550-2688
Part Number Cage Code Manufacturer
27923192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
27923156878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
27923106725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
27923177445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-550-2688
Characteristic Specifications
HEAD STYLE0 HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS1A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.885 INCHES MINIMUM AND 0.945 INCHES MAXIMUM
FASTENER LENGTH1.760 INCHES NOMINAL
HEAD HEIGHT0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.510 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.080 INCHES NOMINAL
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY4
HOLE DIAMETER0.075 INCHES NOMINAL
GRIP LENGTH0.875 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD