5305-01-056-1662 SCREW ASSEMBLY,PANEL Index 5340-01-056-1664 COVER,ACCESS

National Stock Number:
5310-01-056-1663

Federal Supply Class:
5310

National Item Identification Number:
010561663

Description:
NUT,SELF-LOCKING,EXTENDED WASHER

Detail:
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
5310PL07435489009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
MS21084L0480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
RMLH10722-4019L2ESNA, LLC
RMLH10722-407083KERR-MCGEE CHEMICAL CORP
RMLH10722-472962HARVARD INDUSTRIES INC
MS21084L0496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING48.0 ROCKWELL C MAXIMUM
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.460 INCHES MAXIMUM
OVERALL HEIGHT0.290 INCHES MAXIMUM
WASHER THICKNESS0.033 INCHES MINIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT MAXIMUM
SPECIAL FEATURESWRENCHING FACILITY PER MS33737-10


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