NSN 5305-01-307-5029

Part Details | SOCKET HEAD CAP SCREW

5305-01-307-5029 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Alternate Parts: 91251A578, 5305-01-307-5029, 01-307-5029, 5305013075029, 013075029

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 13, 198901-307-502916282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

HEXAGON

Cross Reference | NSN 5305-01-307-5029
Part Number Cage Code Manufacturer
91251A57839428MCMASTER-CARR SUPPLY COMPANY
Technical Data | NSN 5305-01-307-5029
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.389 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL