Product Details | SOCKET HEAD CAP SCREW

5305-01-056-1491 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.

Part Alternates: BACS12BP06A4, 5305-01-056-1491, 01-056-1491, 5305010561491, 010561491

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01-056-1491

Drawings & Photos | NSN 5305-01-056-1491


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Technical Data | NSN 5305-01-056-1491

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.101 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
FASTENER LENGTH 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
LOCKING FEATURE PATCH OR PELLET OR STRIP THREADS

Restrictions/Controls & Freight Information | NSN 5305-01-056-1491

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information