5310-01-376-0488 NUT,PLAIN,HEXAGON Index 5310-01-376-0490 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-376-0489

Federal Supply Class:
5310

National Item Identification Number:
013760489

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:
MS21076-4R96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.560 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
COUNTERBORE DIAMETER0.254 INCHES NOMINAL NUT
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
FEATURES PROVIDEDFLOATING NUT
HARDNESS RATING49.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
NOMINAL THREAD SIZE0.250 INCHES
NUT COUNTERBORE DEPTH0.062 INCHES MINIMUM NUT
NUT HEIGHT0.281 INCHES MAXIMUM
NUT MOUNTING PROVISIONSTRAIGHT HOLES
NUT STYLEPLATE
NUT LENGTH0.801 INCHES MAXIMUM
PLATE THICKNESS0.027 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
PLATE WIDTH0.350 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
PRECIOUS MATERIALSILVER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
TEMP RATING800.0 FAHRENHEIT NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNJF
THREAD QUANTITY PER INCH28


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