NSN 5305-00-143-2902

Part Details | SOCKET HEAD CAP SCREW

5305-00-143-2902 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: FFS86, NAS1351C4LN14, TN1351C4LN14, 5305-00-143-2902, 00-143-2902, 5305001432902, 001432902

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 09, 196800-143-290216282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-143-2902
Part Number Cage Code Manufacturer
FFS8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
NAS1351C4LN1480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
TN1351C4LN1426304TORKON FASTENER CORP
Technical Data | NSN 5305-00-143-2902
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.788 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
FASTENER LENGTH0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 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 FLATS0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY LOCKING FEATURE