NSN 5305-01-372-3543

Part Details | HEXAGON HEAD CAP SCREW

5305-01-372-3543 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: 51618UNC2AX916 TY1 GR316, 5/16-18UNC-2AX9/16 TY1 GR316, M1222RN5C29SDNN, MILS1222, MIL-S-1222, MILDTL3899926, MIL-DTL-38999/26, MILDTL1222, MIL-DTL-1222, 5305-01-372-3543, 01-372-3543, 5305013723543, 013723543

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 07, 199301-372-354318257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-372-3543
Part Number Cage Code Manufacturer
5/16-18UNC-2AX9/16 TY1 GR31681349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
M1222RN5C29SDNN81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-S-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-38999/2681349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5305-01-372-3543
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH0.562 INCHES NOMINAL
FASTENER LENGTH0.562 INCHES NOMINAL
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM