5305-01-081-0738 SCREW,CAP,SOCKET HEAD Index 5305-01-081-0740 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-081-0739

Federal Supply Class:
5305

National Item Identification Number:
010810739

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:
642AS7549-230003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
LL62J62S516941LONG-LOK LLC


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIALPLASTIC LOCKING FEATURE
MATERIALSTEEL COMP 4130 FASTENER
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTCADMIUM FASTENER
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.136 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
THREAD CLASS2A
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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