4540-01-331-8626 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-331-8628 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-331-8627

Federal Supply Class:
5310

National Item Identification Number:
013318627

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:
03A31876823NORTHROP GRUMMAN SYSTEMS CORPORATION
F52996-415653HOWMET GLOBAL FASTENING SYSTEMS INC
TA2507-472962HARVARD INDUSTRIES INC
NS202932-480539SPS TECHNOLOGIES, LLC


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPLATE (FLOATING)
MATERIALIRON ALLOY 660 NUT
RUBBER FLUOROSILICONE CLASS FQ SEAL
IRON ALLOY 660 SHELL
IRON ALLOY 660 WASHER
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEAL
OVERALL HEIGHT0.750 INCHES MAXIMUM
NUT LENGTH1.020 INCHES MAXIMUM
NUT HEIGHT0.670 INCHES MAXIMUM
PLATE WIDTH0.670 INCHES MAXIMUM
NUT MOUNTING PROVISIONSTRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MOUNTING HOLE DIAMETER0.130 INCHES MINIMUM AND
0.135 INCHES MAXIMUM
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.433 INCHES MINIMUM AND
0.443 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH0.298 INCHES MINIMUM AND
0.302 INCHES MAXIMUM
TEMP RATING350.0 DEG FAHRENHEIT MAXIMUM
FEATURES PROVIDEDFLOATING NUT
SPECIAL FEATURESONE-LUG SELF-SEALING
THE MANUFACTURERS DATA
MANUFACTURERS CODE80539
DESIGN CONTROL REFERENCENS202932-4


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