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National Stock Number:
5305-00-716-1244
Federal Supply Class:
5305
National Item Identification Number:
007161244
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:
| 7161244 | 19200 | US ARMY ARDEC RDECOM | | 7161244 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | 7161244 | 19205 | SPRINGFIELD ARMORY |
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Techincal Specification:
| FASTENER LENGTH | 0.266 INCHES MINIMUM AND 0.286 INCHES MAXIMUM | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.273 INCHES MINIMUM AND 0.274 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | LOCKING FEATURE | DISTORTIONS HEAD | | MATERIAL | STEEL COMP 1035 OR STEEL COMP 1137 OR STEEL COMP 1141 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.286 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNS |
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