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National Stock Number:
5305-01-687-0257
Federal Supply Class:
5305
National Item Identification Number:
016870257
Description:
SCREW,CAP,SOCKET HEAD
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Manufacturer Information:
| NAS1351C7-28 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| CHAMFER ANGLE | 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.69 INCHES MINIMUM AND 1.75 INCHES MAXIMUM | | HEAD DIAMETER | 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM | | HEAD HEIGHT | 0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | SELF-LOCKING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, SOCKET HEAD, UNDRILLED AND DRILLED, PLAIN AND SELF-LOCKING, ALLOY STEEL, CORROSION-RESISTANT STEEL AND HEAT- RESISTANT STEEL, UNRF-3A | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.4375 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.375 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNRF | | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
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