5310-00-680-6258 WASHER,KEY Index 5307-00-680-6262 STUD,PLAIN

National Stock Number:
5310-00-680-6261

Federal Supply Class:
5310

National Item Identification Number:
006806261

Description:
NUT,PLAIN,SQUARE

Detail:
A NUT, FLAT ON TOP AND BOTTOM, HAVING 4 FLAT SIDES. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH ACROSS THE FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH ACROSS THE FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)


Manufacturer Information:
FFN83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FFN836GR0UPATYPE81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.625 INCHES
NUT HEIGHT0.525 INCHES MINIMUM AND 0.569 INCHES MAXIMUM
NUT STYLESQUARE
MATERIALSTEEL OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH11
THREAD SERIESUNC
WIDTH ACROSS FLATS0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL


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