5305-01-721-2619 SCREW,CAP,HEXAGON HEAD 5305-01-721-2621 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-721-2620

Federal Supply Class:
5305

National Item Identification Number:
017212620

Description:
SCREW,CAP,SOCKET HEAD


Manufacturer Information:
581-8843219-12653711NAVAL SEA SYSTEMS COMMAND
LOA037021-12696169ELECTRIC BOAT CORPORATION
M1222SN18C372NCNN81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
R6111401-12696169ELECTRIC BOAT CORPORATION


Techincal Specification:
CHAMFER ANGLE30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
FASTENER LENGTH4.50 INCHES NOMINAL
HARDNESS RATING
HEAD DIAMETER1.665 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
HEAD HEIGHT1.111 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIALUNABLE TO DECODE
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCYSOCKET HEAD CAP SCREW
NOMINAL THREAD DIAMETER1.125 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.50 INCHES MINIMUM
THREAD QUANTITY PER INCH7
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.875 INCHES NOMINAL


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