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National Stock Number:
5305-00-846-1292
Federal Supply Class:
5305
National Item Identification Number:
008461292
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:
| 9157796-80 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| WIDTH ACROSS FLATS | 0.312 INCHES MINIMUM AND | | 0.315 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18876 | | DESIGN CONTROL REFERENCE | 9157796-80 | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.687 INCHES MINIMUM | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 304 OR | | STEEL COMP 316 OR | | STEEL COMP 304L OR | | STEEL COMP 305 OR | | STEEL COMP 316L OR | | STEEL COMP 303SE OR | | STEEL COMP 303 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.615 INCHES MINIMUM AND | | 0.625 INCHES MAXIMUM | | HEAD HEIGHT | 0.430 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON |
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