4540-01-025-4869 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-025-4872 NUT,SELF-LOCKING,CLINCH

National Stock Number:
5310-01-025-4870

Federal Supply Class:
5310

National Item Identification Number:
010254870

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:
LS10049C4-436659LOCKHEED MARTIN CORP LOCKHEED MARTIN AERONAUTICAL SYSTEMS BURBANK OPNS
LS10049C4-498897LOCKHEED MARTIN CORP


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPLATE
MATERIALIRON ALLOY 660 OVERALL
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONA286,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
NUT LENGTH0.801 INCHES MAXIMUM
NUT HEIGHT0.474 INCHES MAXIMUM
PLATE THICKNESS0.125 INCHES NOMINAL
PLATE WIDTH0.500 INCHES MAXIMUM
NUT COUNTERBORE DEPTH0.250 INCHES MINIMUM NUT
COUNTERBORE DIAMETER0.254 INCHES MINIMUM NUT
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 CENTER0.276 INCHES MINIMUM AND
0.286 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.560 INCHES MINIMUM AND
0.564 INCHES MAXIMUM
TEMP RATING800.0 DEG FAHRENHEIT NOMINAL
FEATURES PROVIDEDFLOATING NUT
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONEXTERNAL SURFACE SILVER
THE MANUFACTURERS DATA
MANUFACTURERS CODE36659
DESIGN CONTROL REFERENCELS10049C4-4


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