5305-01-421-1976 SCREW,CLOSE TOLERANCE Index 5306-01-421-1978 BOLT,MACHINE

National Stock Number:
5310-01-421-1977

Federal Supply Class:
5310

National Item Identification Number:
014211977

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:
MS21058-596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPLATE
MATERIALIRON ALLOY 660 OVERALL
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING49.0 ROCKWELL C MAXIMUM
OVERALL HEIGHT0.422 INCHES MAXIMUM
NUT LENGTH1.044 INCHES MAXIMUM
NUT HEIGHT0.422 INCHES MAXIMUM
PLATE THICKNESS0.065 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 CENTER0.495 INCHES MINIMUM AND
0.505 INCHES MAXIMUM
TEMP RATING800.0 DEG FAHRENHEIT NOMINAL
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONALLSURFACES SILVER
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS21058-5


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