NSN 5305-00-838-7438

Part Details | TAPPING SCREW

5305-00-838-7438 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: S1021Z68, S1021Z6-8, S1021Z68, S1021Z6-8, S1021Z68, S1021Z6-8, S1021Z68, S1021Z6-8, 5305-00-838-7438, 00-838-7438, 5305008387438, 008387438

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 12, 196600-838-743841756 ( SCREW, TAPPING )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

NARROW FLUTE (TYPE E)

Cross Reference | NSN 5305-00-838-7438
Part Number Cage Code Manufacturer
S1021Z6-873439AMSCO PRODUCTSCAMCAR DIV
S1021Z6-806329ASC INTERNATIONAL, INC.DBA ASC INDUSTRIES
S1021Z6-871379CESSNA AIRCRAFT COMPANYDBA TEXTRON AVIATION
S1021Z6-877545REED AND PRINCE MFG CO
Technical Data | NSN 5305-00-838-7438
Characteristic Specifications
NONMACHINE THREAD STYLE2 NARROW FLUTE (TYPE E)
NONMACHINE NOMINAL THREAD DIAMETER0.138 INCHES
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD STYLE7 DISHED HEXAGON
HEAD DIAMETER0.145 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
HEAD HEIGHT0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
FEATURES PROVIDED CASEHARDENED