NSN 5306-00-188-0781

Part Details | INTERNAL WRENCHING BOLT

5306-00-188-0781 An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.

Alternate Parts: 3241687070, 324-1687-070, FFS86, 3241687070, 324-1687-070, 3241687070, 324-1687-070, 3241687070, 324-1687-070, 5306-00-188-0781, 00-188-0781, 5306001880781, 001880781

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 07, 197300-188-078106666 ( BOLT, INTERNAL WRENCHING )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-188-0781
Part Number Cage Code Manufacturer
324-1687-07008664BRISTOL BABCOCK INCINSTRUMENTS-SYSTEMS DIV
FFS8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
324-1687-07013499ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS
324-1687-07050392SPS TECHNOLOGIES INC
324-1687-07056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5306-00-188-0781
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM
FASTENER LENGTH3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE