5305-01-522-3638 SCREW,MACHINE Index 5855-01-522-3640 EYEPIECE ASSEMBLY,OPTICAL INSTRU

National Stock Number:
5305-01-522-3639

Federal Supply Class:
5305

National Item Identification Number:
015223639

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:
561304153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.937 INCHES NOMINAL
HEAD DIAMETER0.313 INCHES MINIMUM AND 0.365 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CL 316. COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESDISTRIBUTION STATEMENT D
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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