5310-00-550-0989 NUT,SELF-LOCKING,HEXAGON Index 5310-00-550-0991 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-00-550-0990

Federal Supply Class:
5310

National Item Identification Number:
005500990

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:
1017222118876U S ARMY AVIATION AND MISSILE COMMAND
22NM86019L2ESNA, LLC
22NM8672962HARVARD INDUSTRIES INC


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693 MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE NUT
MATERIALSTEEL COMP 1212 NUT
NOMINAL THREAD SIZE0.164 INCHES
NUT HEIGHT0.219 INCHES MINIMUM AND 0.239 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
SURFACE TREATMENTCADMIUM OVERALL EXCEPT INSERT
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH36
THREAD SERIESUNF


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