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National Stock Number:
5305-00-929-5043
Federal Supply Class:
5305
National Item Identification Number:
009295043
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:
| 2-56NC3AX1-4 | 08353 | BRISTOL BABCOCK CANADA INC | | 2-56NC3AX1-4 | 08664 | BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC | | 655-024-9006 | 70210 | HONEYWELL INTERNATIONAL INC. | | 2-56NC3AX1-4 | 70276 | ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | THREAD QUANTITY PER INCH | 56 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES MAXIMUM | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.140 INCHES NOMINAL | | HEAD HEIGHT | 0.086 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SIX SPLINE | | SPLINE MINOR DIAMETER | 0.064 INCHES NOMINAL | | SPLINE MAJOR DIAMETER | 0.074 INCHES NOMINAL | | SPLINE WIDTH | 0.016 INCHES NOMINAL |
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