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National Stock Number:
5310-00-550-9449
Federal Supply Class:
5310
National Item Identification Number:
005509449
Description:
NUT,SELF-LOCKING,SLOTTED,HEXAGON
Detail:
A NUT HAVING A FLAT BEARING SURFACE AND 6 FLAT SIDES WITH SLOTS IN ITS 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, CASTELLATED, OCTAGON.
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Manufacturer Information:
| 3574 | 93784 | HUSCO INTERNATIONAL INC | | 50FK420 | 56289 | SPRAGUE ELECTRIC CO WORLD HQS | | 80307ADX | 1VN02 | AIRDALE EXPRESS LLC | | 50FK420 | 56878 | SPS TECHNOLOGIES, LLC | | 819932-8 | 64547 | HONEYWELL INTERNATIONAL, INC | | 80307 | 73734 | FEDERAL SCREW PRODUCTS INC. | | 819932-8 | 83298 | ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.189 INCHES MINIMUM AND 0.209 INCHES MAXIMUM | | NUT STYLE | SLOTTED, HEXAGON | | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEMP RATING | 800.0 FAHRENHEIT NOMINAL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 |
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