5310-00-550-9446 NUT,SHEET SPRING Index 5305-00-550-9455 SCREW,MACHINE

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.


Manufacturer Information:
357493784HUSCO INTERNATIONAL INC
50FK42056289SPRAGUE ELECTRIC CO WORLD HQS
50FK42056878SPS TECHNOLOGIES, LLC
8030773734FEDERAL SCREW PRODUCTS INC.
80307ADX1VN02AIRDALE EXPRESS LLC
819932-864547HONEYWELL INTERNATIONAL, INC
819932-883298ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.189 INCHES MINIMUM AND 0.209 INCHES MAXIMUM
NUT STYLESLOTTED, HEXAGON
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
TEMP RATING800.0 FAHRENHEIT NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNC


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