4140-01-629-3685 FAN,CENTRIFUGAL 5805-01-629-4887 TERMINAL,TELEPHONE

National Stock Number:
5305-01-629-3422

Federal Supply Class:
5305

National Item Identification Number:
016293422

Description:
SCREW,CAP,SOCKET HEAD


Manufacturer Information:
LARSWPY3496 ITEM 50053711NAVAL SEA SYSTEMS COMMAND
M1222SN4C216NCLN81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH1.00 INCHES NOMINAL
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLEHEXAGON
MATERIALNICKEL ALLOY K-500 OVERALL
NOMINAL THREAD DIAMETER0.25 INCHES
SPECIAL FEATURESHIGH DEGREE OF RELIABILITY IS REQUIRED. LOCKING FEATURE INCLUDED.
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.50 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.188 INCHES NOMINAL


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