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National Stock Number:
5305-00-857-6154
Federal Supply Class:
5305
National Item Identification Number:
008576154
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:
| 5305008576154 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 8437332 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | M63FS420-10B | 26233 | NYLOK LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.625 INCHES NOMINAL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM | | HEAD DIAMETER | 0.437 INCHES NOMINAL | | HEAD STYLE | ROUND | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | LOCKING FEATURE | PATCH OR PELLET OR STRIP THREADS | | MATERIAL | STEEL COMP 429 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM AND PHOSPHATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.625 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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