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) |
---|---|---|---|
53 | MAR 07, 1973 | 00-188-0781 | 06666 ( BOLT, INTERNAL WRENCHING ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5306-00-188-0781
Part Number | Cage Code | Manufacturer |
---|---|---|
324-1687-070 | 08664 | BRISTOL BABCOCK INCINSTRUMENTS-SYSTEMS DIV |
FFS86 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
324-1687-070 | 13499 | ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS |
324-1687-070 | 50392 | SPS TECHNOLOGIES INC |
324-1687-070 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
Technical Data | NSN 5306-00-188-0781
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM |
FASTENER LENGTH | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM |
MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH |
HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
NONDEFINITIVE SPEC/STD DATA | 6 TYPE |