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National Stock Number:
5305-01-260-4861
Federal Supply Class:
5305
National Item Identification Number:
012604861
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:
| 404399 | 62983 | EATON AEROSPACE, LLC |
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Techincal Specification:
| FASTENER LENGTH | 1.235 INCHES MINIMUM AND 1.281 INCHES MAXIMUM | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 170000.0 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.3120 INCHES | | SPECIAL FEATURES | 0.312-24 UNF-3A THD. MARTENSITIC STAINLESS STEEL. 38-43 HRC, 170,000 PSI MIN ULTIMATE TENSILE STRENGTH.ACTION ID 45499637 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,SOC HEAD | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MINIMUM |
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