5305-01-719-8241 SCREW,MACHINE 5305-01-719-8279 SCREW,PANEL FASTENER

National Stock Number:
5305-01-719-8242

Federal Supply Class:
5305

National Item Identification Number:
017198242

Description:
SCREW,CAP,SOCKET HEAD


Manufacturer Information:
21812833896169ELECTRIC BOAT CORPORATION
595-8841229-4253711NAVAL SEA SYSTEMS COMMAND
M1222SN4C322NCLN81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
R6841505-4296169ELECTRIC BOAT CORPORATION
LSA005657-4296169ELECTRIC BOAT CORPORATION


Techincal Specification:
CHAMFER ANGLE30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
FASTENER LENGTH1.375 INCHES NOMINAL
HARDNESS RATING
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREUNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
PART NAME ASSIGNED BY CONTROLLING AGENCYSOCKET HEAD CAP SCREW
MATERIALUNABLE TO DECODE
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESLOCKING ELEMENT IAW MIL-F-8961 OR MIL-DTL-18240
SPECIFICATION/STANDARD DATA81349-MIL-DTL-1222J GOVERNMENT SPECIFICATION
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.188 INCHES NOMINAL


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