5305-00-840-8458 SCREW,MACHINE Index 9520-00-840-8464 BEAM,STRUCTURAL

National Stock Number:
5305-00-840-8459

Federal Supply Class:
5305

National Item Identification Number:
008408459

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:
9056224-218876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.438 INCHES MAXIMUM
FASTENER LENGTH0.438 INCHES NOMINAL
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE AND
CHROMATE ZINC AND
ENAMEL HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE AND
TT-P-1757 FED STD 2ND TREATMENT RESPONSE AND
TT-E-529 FED STD 3RD TREATMENT RESPONSE HEAD
HEAD STYLEFILLISTER
HEAD DIAMETER0.313 INCHES MAXIMUM
HEAD HEIGHT0.180 INCHES MAXIMUM
INTERNAL DRIVE STYLESLOT
LOCKING FEATUREPATCH OR
STRIP THREADS


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