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National Stock Number:
5310-01-328-1121
Federal Supply Class:
5310
National Item Identification Number:
013281121
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:
| 10122203 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 3D0026 | 88277 | THE BOEING COMPANY | | 73781 | 56878 | SPS TECHNOLOGIES, LLC | | 73781CS-918 | 56878 | SPS TECHNOLOGIES, LLC | | E9925-9 | 72962 | HARVARD INDUSTRIES INC | | 3D0026-9 | 88277 | THE BOEING COMPANY | | HC54709-9 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PHCR-59 | 62554 | ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV SIMMONDS MECAERO FAS PDTS | | PHCR59 | 89305 | SIMMONDS PRECISION PRODUCTS INC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 46.0 ROCKWELL C MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.5625 INCHES | | NUT HEIGHT | 0.609 INCHES NOMINAL | | NUT STYLE | CASTELLATED, HEXAGON | | WIDTH ACROSS FLATS | 0.678 INCHES MINIMUM AND 0.692 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL OR QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | SILVER OVERALL OR CADMIUM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNJF |
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