5305-01-147-4885 SCREW,MACHINE Index 5305-01-147-4887 THUMBSCREW

National Stock Number:
5305-01-147-4886

Federal Supply Class:
5305

National Item Identification Number:
011474886

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:
3176208-C-54010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM
HEAD HEIGHT0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH THREADS
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
NONDEFINITIVE SPEC/STD DATA8 TYPE
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.533 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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