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National Stock Number:
5305-01-660-8540
Federal Supply Class:
5305
National Item Identification Number:
016608540
Description:
SCREW,CLOSE TOLERANCE
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Manufacturer Information:
| NAS1580C4R10X | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.378 INCHES MINIMUM AND | | 0.428 INCHES MAXIMUM | | FASTENER LENGTH | 1.013 INCHES MINIMUM AND | | 1.043 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.464 INCHES MINIMUM AND | | 0.507 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | GRIP LENGTH | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | GRIP DIAMETER | 0.264 INCHES MINIMUM AND | | 0.265 INCHES MAXIMUM | | SPECIAL FEATURES | INTERNAL DRIVE RIBBED |
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