5305-01-086-8522 SCREW,CAP,SOCKET HEAD Index 5305-01-086-8524 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-086-8523

Federal Supply Class:
5305

National Item Identification Number:
010868523

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:
3/8-16X3SKTHDCPSCR32-303F-1170276ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES MINIMUM AND
1.960 INCHES MAXIMUM
FASTENER LENGTH2.940 INCHES MINIMUM AND
3.000 INCHES MAXIMUM
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CL1 OR CL2 FED SPEC SINGLE TREATMENT RESPONSE OR
MIL-C-26074 MIL SPEC SINGLE TREATMENT RESPONSE OR
AMS2403 ASSN STD SINGLE TREATMENT RESPONSE OR
AMS2404 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.550 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.312 INCHES NOMINAL


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