NSN 5305-01-274-7958

Part Details | HEXAGON HEAD CAP SCREW

5305-01-274-7958 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: 6502476, MILS1222, MIL-S-1222, MILDTL1222, MIL-DTL-1222, 2076015504 ITEM 25, 207-6015504 ITEM 25, 5305-01-274-7958, 01-274-7958, 5305012747958, 012747958

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 13, 198801-274-795818257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-274-7958
Part Number Cage Code Manufacturer
650247643689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
MIL-S-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-122281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
207-6015504 ITEM 2553711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5305-01-274-7958
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH1.500 INCHES MINIMUM
FASTENER LENGTH2.420 INCHES MINIMUM AND 2.560 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD CLASS2A
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH105000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.444 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.906 INCHES MINIMUM AND 0.928 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B7 GRADE