NSN 5305-01-371-8457

Part Details | SOCKET HEAD CAP SCREW

5305-01-371-8457 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: 1220UNF3A X 34"LG TYII GR316, 1/2-20UNF-3A X 3/4"LG TYII GR316, 5305-01-371-8457, 01-371-8457, 5305013718457, 013718457

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 25, 199301-371-845716282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-371-8457
Part Number Cage Code Manufacturer
1/2-20UNF-3A X 3/4"LG TYII GR31680204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
Technical Data | NSN 5305-01-371-8457
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
MINIMUM TENSILE STRENGTH105000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA2 TYPE
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT