NSN 5306-01-255-3062

Part Details | INTERNAL WRENCHING BOLT

5306-01-255-3062 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: NAS147A72, NAS147A-72, 5306-01-255-3062, 01-255-3062, 5306012553062, 012553062

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 18, 198701-255-306206666 ( BOLT, INTERNAL WRENCHING )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

HEXAGON

Cross Reference | NSN 5306-01-255-3062
Part Number Cage Code Manufacturer
NAS147A-7280205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5306-01-255-3062
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.687 INCHES NOMINAL
FASTENER LENGTH4.500 INCHES NOMINAL
HEAD STYLE8 UNDERCUT HEXAGON
HEAD DIAMETER0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.407 INCHES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.377 INCHES NOMINAL