5310-00-982-4938 NUT,PLAIN,SQUARE Index 5310-00-982-4940 NUT,PLAIN,SQUARE

National Stock Number:
5310-00-982-4939

Federal Supply Class:
5310

National Item Identification Number:
009824939

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:
MS27040-1396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
HARDNESS RATING103.0 BRINELL STANDARD MINIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.356 INCHES MINIMUM AND 0.394 INCHES MAXIMUM
NUT STYLESQUARE
WIDTH ACROSS FLATS0.728 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH14


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