4540-01-258-8219 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-258-8221 NUT ASSEMBLY,SELF-LOCKING,GANG C

National Stock Number:
5310-01-258-8220

Federal Supply Class:
5310

National Item Identification Number:
012588220

Description:
NUT,PLAIN,CASTELLATED,HEXAGON

Detail:
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.


Manufacturer Information:
10110233A486GNIMIKKEISTOKESKUS NCB FINLAND
3D0236-888277THE BOEING COMPANY
93434-856878SPS TECHNOLOGIES, LLC
E10079-856878SPS TECHNOLOGIES, LLC
E10079-872962HARVARD INDUSTRIES INC


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALIRON ALLOY 660 OVERALL
SURFACE TREATMENTCADMIUM OVERALL
NUT HEIGHT0.240 INCHES MINIMUM AND
0.260 INCHES MAXIMUM
WIDTH ACROSS FLATS0.738 INCHES MINIMUM AND
0.752 INCHES MAXIMUM
BEARING SURFACE TYPEFLAT


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