7520-00-227-7137 MARKER,TUBE TYPE Index 1630-00-227-7143 CONNECTOR,MULTIPLE,FLUID PRESSUR

National Stock Number:
5310-00-227-7139

Federal Supply Class:
5310

National Item Identification Number:
002277139

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:
AN364-428C88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
ANN581352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.187 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
WIDTH ACROSS FLATS0.436 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM AND ZINC OVERALL
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH28


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