5999-01-501-0644 SHIELD,ELECTRONIC COMPONENTS Index 5340-01-501-0646 STOP,MECHANICAL

National Stock Number:
5305-01-501-0645

Federal Supply Class:
5305

National Item Identification Number:
015010645

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
0.250-20UNRC-3AX1.250L80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
21105297853711NAVAL SEA SYSTEMS COMMAND
751-6402401 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402401 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402401-6253711NAVAL SEA SYSTEMS COMMAND
751-6402402 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402402 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402402-6253711NAVAL SEA SYSTEMS COMMAND
751-6402403 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402403 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402403-6253711NAVAL SEA SYSTEMS COMMAND
751-6402404 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402404 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402404-6253711NAVAL SEA SYSTEMS COMMAND
751-6402405 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402405 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402405-6253711NAVAL SEA SYSTEMS COMMAND
751-6402406 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402406 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402406-6253711NAVAL SEA SYSTEMS COMMAND
751-6402407 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402407 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402407-6253711NAVAL SEA SYSTEMS COMMAND
751-6402408 FIND 6253711NAVAL SEA SYSTEMS COMMAND
751-6402408 ITEM 6253711NAVAL SEA SYSTEMS COMMAND
751-6402408-6253711NAVAL SEA SYSTEMS COMMAND
M1222SN4C320TAL81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
M1222SN4C320TALN81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
MATERIALTITANIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONANSI-B18.3 ASSN STD SINGLE MATERIAL RESPONSE AND
MIL-DTL-1222 MIL SPEC SINGLE MATERIAL RESPONSE AND
AMS 2488 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT FILLISTER
HEAD DIAMETER0.365 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS
SPEC/STD CONTROLLING DATA
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-1222
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM1222SN4C320TALN


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