5305-01-350-4538 SCREW,CAP,SOCKET HEAD Index 5305-01-350-4540 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-350-4539

Federal Supply Class:
5305

National Item Identification Number:
013504539

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:
609634825906FIBREFORM ELECTRONICS, INC
609634882577RAYTHEON COMPANY


Techincal Specification:
FASTENER LENGTH1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.418 INCHES NOMINAL
THREAD SERIES DESIGNATORUNRF
THREAD QUANTITY PER INCH28


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