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National Stock Number:
5305-00-477-6771
Federal Supply Class:
5305
National Item Identification Number:
004776771
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.
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Manufacturer Information:
| 2-56NC3AX5-16 | 08664 | BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC | | 655-364-9014 | 70210 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.168 INCHES MINIMUM AND 0.197 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SIX SPLINE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SPLINE MAJOR DIAMETER | 0.061 INCHES MINIMUM AND 0.062 INCHES MAXIMUM | | SPLINE MINOR DIAMETER | 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM | | SPLINE WIDTH | 0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.196 INCHES MINIMUM AND 0.264 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNC |
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