5310-00-721-7810 WASHER,LOCK Index 5310-00-721-7815 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-721-7812

Federal Supply Class:
5310

National Item Identification Number:
007217812

Description:
NUT,PLAIN,SLOTTED,HEXAGON

Detail:
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, CASTELLATED, HEXAGON.


Manufacturer Information:
FFN83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35692-202996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.250 INCHES
NONDEFINITIVE SPEC/STD DATA4 TYPE AND 16 STYLE AND C GRADE
NUT HEIGHT1.030 INCHES MINIMUM AND 1.094 INCHES MAXIMUM
NUT STYLESLOTTED, HEXAGON
WIDTH ACROSS FLATS1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNF


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