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
5310PL21996609009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH


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


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