5305-01-171-0545 SCREW,CAP,SOCKET HEAD Index 5305-01-171-0549 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-171-0548

Federal Supply Class:
5305

National Item Identification Number:
011710548

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:
5779959501UNISON INDUSTRIES LLC
5779983311UNISON INDUSTRIES, LLC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD DIAMETER0.244 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 4037 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8750 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.138 INCHES
WIDTH ACROSS FLATS0.0781 INCHES MINIMUM AND 0.0791 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION24745 FSCM 83311 MFR REF SINGLE TREATMENT RESPONSE THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION24745 FSCM 83311 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
SURFACE TREATMENTSOLDER THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.284 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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