NSN 5305-00-550-1538

Part Details | TAPPING SCREW

5305-00-550-1538 A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.

Alternate Parts: FFS107, 5305-00-550-1538, 00-550-1538, 5305005501538, 005501538

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-550-153841756 ( SCREW, TAPPING )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE II

NARROW FLUTE (TYPE E)

Cross Reference | NSN 5305-00-550-1538
Part Number Cage Code Manufacturer
FFS10781348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5305-00-550-1538
Characteristic Specifications
NONMACHINE THREAD STYLE2 NARROW FLUTE (TYPE E)
NONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD STYLE HEXAGON
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE1 CROSS RECESS TYPE II
FEATURES PROVIDED CASEHARDENED
NONDEFINITIVE SPEC/STD DATAB TYPE