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National Stock Number:
5305-01-059-1926
Federal Supply Class:
5305
National Item Identification Number:
010591926
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:
| BACB30EF4-10 | 81205 | THE BOEING COMPANY | | BACB30LR4P-10 | 06710 | VALLEY-TODECO, INC. | | BACB30LR4P-10 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30LR4P-10 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30LR4P-10 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LR4P-10 | 27624 | SPS TECHNOLOGIES LLC | | BACB30LR4P-10 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30LR4P-10 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.438 INCHES MINIMUM AND | | 0.513 INCHES MAXIMUM | | FASTENER LENGTH | 1.078 INCHES MINIMUM AND | | 1.123 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8630 OR | | STEEL COMP 4037 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.454 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | LOCKING FEATURE | PELLET OR | | STRIP THREADS | | SPECIFICATION/STANDARD DATA | 81205-BACB30EF MANUFACTURERS STANDARD |
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