Part Details | INTERNAL WRENCHING BOLT
5306-00-143-3339 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: 11072876, 5306-00-143-3339, 00-143-3339, 5306001433339, 001433339
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | OCT 09, 1968 | 00-143-3339 | 06666 ( BOLT, INTERNAL WRENCHING ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5306-00-143-3339
Part Number | Cage Code | Manufacturer |
---|---|---|
11072876 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5306-00-143-3339
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 1.250 INCHES |
THREAD QUANTITY PER INCH | 12 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 2.940 INCHES MINIMUM AND 3.060 INCHES MAXIMUM |
FASTENER LENGTH | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH |
HEAD DIAMETER | 1.852 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
HEAD HEIGHT | 1.236 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.875 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |