4540-01-017-7262 HEATING ELEMENT,ELECTRICAL,NONIM Index 5310-01-017-7265 WASHER,FLAT

National Stock Number:
5310-01-017-7264

Federal Supply Class:
5310

National Item Identification Number:
010177264

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:
72689-656878SPS TECHNOLOGIES, LLC


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
HARDNESS RATING38.0 ROCKWELL C MAXIMUM
LOCKING FEATUREFREE-RUNNING ALL METAL DESIGN
LUBRICATIONSOLUBLE LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE NUT
MATERIALSTEEL CORROSION RESISTING WASHER
MATERIALSTEEL NUT
NOMINAL THREAD SIZE0.312 INCHES
NUT STYLESLOTTED, HEXAGON
NUT HEIGHT0.507 INCHES MAXIMUM
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENTCADMIUM NUT
SURFACE TREATMENTPASSIVATE WASHER
TEMP RATING450.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNF


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