5305-00-157-8283 SCREW,SHOULDER Index 5305-00-157-8285 SCREW,MACHINE

National Stock Number:
5305-00-157-8284

Federal Supply Class:
5305

National Item Identification Number:
001578284

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:
1164100819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
1P97384203038LONG-LOK, LLC
97384234623AM GENERAL LLC


Techincal Specification:
COUNTERSINK ANGLE81.0 DEGREES NOMINAL
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD STYLEFILLISTER COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A545 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A548 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1022 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESW/HEADER POINT
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.593 INCHES MINIMUM AND 0.623 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNC


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