5310-00-281-6728 NUT,SELF-LOCKING,PLATE Index 5355-00-281-6731 WINDOW,DIAL

National Stock Number:
5310-00-281-6729

Federal Supply Class:
5310

National Item Identification Number:
002816729

Description:
NUT,SELF-LOCKING,PLATE

Detail:
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
ST3M471C4M276301THE BOEING COMPANY


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPLATE
MATERIALIRON ALLOY 660 OVERALL
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT LENGTH1.038 INCHES MAXIMUM
NUT HEIGHT0.339 INCHES MAXIMUM
PLATE THICKNESS0.098 INCHES MINIMUM AND
0.108 INCHES MAXIMUM
NUT COUNTERBORE DEPTH0.125 INCHES MINIMUM NUT
COUNTERBORE DIAMETER0.298 INCHES MINIMUM NUT
LUBRICATIONDRY FILM LUBRICANT
NUT MOUNTING PROVISIONSTRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND
0.103 INCHES MAXIMUM
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.495 INCHES MINIMUM AND
0.505 INCHES MAXIMUM
FEATURES PROVIDEDFLOATING NUT
SPECIFICATION/STANDARD DATA76301-ST3M471 MANUFACTURERS STANDARD


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