NSN 5305-01-418-3116

Part Details | HEXAGON HEAD CAP SCREW

5305-01-418-3116 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Alternate Parts: 0.31218UNC2A3.250TIG500, QQN286 51618UNC2AX3.250, QQN286 5/16-18UNC-2AX3.250, MILS1222 TY1, MIL-S-1222 TY1, MILDTL1222J, MIL-DTL-1222J, 0.31218UNC2A3.2 50T1G500SEA, 0.31218UNC2A3.2 50TIG500SE, 5305-01-418-3116, 01-418-3116, 5305014183116, 014183116

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 24, 199501-418-311618257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-418-3116
Part Number Cage Code Manufacturer
0.31218UNC2A3.250TIG50080204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
QQN286 5/16-18UNC-2AX3.25080204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
MIL-S-1222 TY181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-1222J81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
0.31218UNC2A3.2 50T1G500SEAD9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
0.31218UNC2A3.2 50TIG500SED9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-01-418-3116
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
FASTENER LENGTH3.250 INCHES NOMINAL
HEAD STYLE HEXAGON
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM