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National Stock Number:
5305-01-049-6557
Federal Supply Class:
5305
National Item Identification Number:
010496557
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:
| 20098-98C-28 | 56878 | SPS TECHNOLOGIES, LLC | | 20098-98C-28 | 80539 | SPS TECHNOLOGIES, LLC | | 3141513-01 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 1.734 INCHES MINIMUM AND 1.781 INCHES MAXIMUM | | HARDNESS RATING | 80.0 ROCKWELL B NOMINAL OVERALL | | HEAD DIAMETER | 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303F OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 323 OR STEEL COMP 324 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | WIDTH ACROSS FLATS | 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.875 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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