5305-01-275-5008 SCREW ASSEMBLY,PANEL Index 5310-01-275-5010 NUT,SLEEVE

National Stock Number:
5310-01-275-5009

Federal Supply Class:
5310

National Item Identification Number:
012755009

Description:
NUT,SELF-LOCKING,EXTENDED WASHER

Detail:
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
MS51988-696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
OVERALL HEIGHT0.365 INCHES MAXIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT STYLEHEXAGON
WASHER OUTSIDE DIAMETER0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM
WASHER THICKNESS0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
WIDTH ACROSS FLATS0.489 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH24


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