NSN 5305-00-734-7121

Part Details | TAPPING SCREW

5305-00-734-7121 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, MS5186165C, MS51861-65C, 5305-00-734-7121, 00-734-7121, 5305007347121, 007347121

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 23, 197100-734-712141756 ( SCREW, TAPPING )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

NARROW FLUTE (TYPE E)

Cross Reference | NSN 5305-00-734-7121
Part Number Cage Code Manufacturer
FFS10781348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS51861-65C96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-734-7121
Characteristic Specifications
NONMACHINE THREAD STYLE3 NARROW FLUTE (TYPE E)
NONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES
FASTENER LENGTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATAAB TYPE