5306-01-303-1627 BOLT,EXTERNALLY RELIEVED BODY Index 5305-01-303-1629 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-303-1628

Federal Supply Class:
5305

National Item Identification Number:
013031628

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:
516-5343908 ITEM 1653711NAVAL SEA SYSTEMS COMMAND
60-15-031496169ELECTRIC BOAT CORPORATION
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
FASTENER LENGTH2.000 INCHES NOMINAL
MATERIALNICKEL ALLOY 502 OR
NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
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
NONDEFINITIVE SPEC/STD DATA6 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-86


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