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National Stock Number:
5305017068080
Federal Supply Class:
5305
National Item Identification Number:
017068080
Description:
SCREW,MACHINE
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Manufacturer Information:
| NAS5312E4P12 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| BEARING SURFACE OF HEAD SURFACE TREATMENT | PASSIVATE | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.625 INCHES NOMINAL | | HEAD DIAMETER | 0.442 INCHES MINIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD SURFACE TREATMENT | PASSIVATE | | INTERNAL DRIVE STYLE | TORX | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,TENSION,100 DEG FLUSH HEAD,.2500-28 UNJF-3A THREAD,PASSIVATED CRES,.625 LENGTH,SELF-LOCKING AND NON-LOCKING | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIAL FEATURES | MATERIAL: PASSIVATED CORROSION RESISTANT STEEL WITH CADMIUM PLATING. | | SPLINE MINOR DIAMETER | 0.1570 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM | | SPLINE MAJOR DIAMETER | 0.2225 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.519 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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