1220-00-238-9978 COMPUTER MK1A MOD12 Index 5350-00-238-9981 CLOTH,ABRASIVE

National Stock Number:
5310-00-238-9979

Federal Supply Class:
5310

National Item Identification Number:
002389979

Description:
NUT,SELF-LOCKING,HEXAGON

Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.


Manufacturer Information:
205705310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
L31800021736090LOCKHEED MARTIN LIBRASCOPE CORP


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALPLASTIC POLYAMIDE (NYLON) AND STEEL COMP 303 LOCKING INSERT
NOMINAL THREAD SIZE1.062 INCHES
NUT HEIGHT0.470 INCHES NOMINAL
NUT STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
WIDTH ACROSS FLATS1.345 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,FIN. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENTPASSIVATE NUT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUN
THREAD QUANTITY PER INCH16


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