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National Stock Number:
5310-01-338-8183
Federal Supply Class:
5310
National Item Identification Number:
013388183
Description:
NUT,SELF-LOCKING,CASTELLATED,HEX
Detail:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.
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Manufacturer Information:
| 164-1041-11 | 09552 | ATEC INC | | MS21045C8S | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NASM21045C8S | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS21045C8S | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL FIRST END | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 0.500 INCHES | | NUT HEIGHT | 0.575 INCHES MINIMUM AND 0.610 INCHES MAXIMUM | | NUT STYLE | CASTELLATED, HEXAGON | | WIDTH ACROSS FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEMP RATING | 450.0 FAHRENHEIT NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 20 |
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