5998-01-016-9634 CIRCUIT CARD ASSEMBLY Index 5305-01-016-9638 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-016-9637

Federal Supply Class:
5305

National Item Identification Number:
010169637

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:
9156959-810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
9156959-871159BRISTOL SOCKET SCREW CO


Techincal Specification:
FASTENER LENGTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
HEAD HEIGHT0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
WIDTH ACROSS FLATS0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.297 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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