NSN 5305-01-325-2738

Part Details | SOCKET HEAD CAP SCREW

5305-01-325-2738 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: 0.25020UNC3A X 1.000 IN LG, 0.250-20UNC-3A X 1.000 IN LG, FFS86, FF-S-86, 1225486623 PC122, 122-5486623 PC122, 53A001994, 53A-00-199-4, 53A001994, 53A-00-199-4, 5305-01-325-2738, 01-325-2738, 5305013252738, 013252738

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 31, 199001-325-273816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-325-2738
Part Number Cage Code Manufacturer
0.250-20UNC-3A X 1.000 IN LG80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
FF-S-8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
122-5486623 PC12243689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
53A-00-199-432386ILLINOIS TOOL WKS INCLINAC DIV
53A-00-199-4D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-01-325-2738
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
SPECIAL FEATURESOPTIONAL TYPE LOCKING FEATURE,PATCH,PELLET OR STRIP
NONDEFINITIVE SPEC/STD DATAN TYPE