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National Stock Number:
5305-01-692-7172
Federal Supply Class:
5305
National Item Identification Number:
016927172
Description:
SCREW,CAP,SOCKET HEAD
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Manufacturer Information:
| NAS5321E4-4 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | NAS5321E4-4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.675 INCHES NOMINAL | | HEAD DIAMETER | 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS5732 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPLINE MAJOR DIAMETER | 0.221 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700,METHOD1,CLASS4 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE OR AMS-QQ-P-416, TYPE II, CLASS2 NATIONAL STD/SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OR CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.425 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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