5306-01-525-1581 BOLT,MACHINE Index 5310-01-525-1583 WASHER,FLAT

National Stock Number:
5310-01-525-1582

Federal Supply Class:
5310

National Item Identification Number:
015251582

Description:
NUT,SELF-LOCKING,HEXAGON

Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.


Manufacturer Information:
1248880319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12488803-00119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE TYPEFLAT OR CHAMFERED
HARDNESS RATING30.0 ROCKWELL C MAXIMUM
NUT HEIGHT4.7 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM
NUT STYLEHEXAGON
MATERIALPLASTIC NYLON LOCKING INSERT
MATERIALSTEEL PROPERTY CLASS 8.8 NUT
NOMINAL THREAD SIZE4.0 MILLIMETERS
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCK NUT, NYLON INSERT
WIDTH ACROSS FLATS6.78 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM
SURFACE TREATMENTZINC NUT
TEMP RATING-73.0 CELSIUS MINIMUM AND 120.0 CELSIUS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESM
THREAD PITCH IN MILLIMETERS0.7


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