3110-00-516-6264 BEARING,BALL,ANNULAR Index 5310-00-516-6266 WASHER,FLAT

National Stock Number:
5310-00-516-6265

Federal Supply Class:
5310

National Item Identification Number:
005166265

Description:
NUT,SELF-LOCKING,SLOTTED,HEXAGON

Detail:
A NUT HAVING A FLAT BEARING SURFACE AND 6 FLAT SIDES WITH SLOTS IN ITS UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS, WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE", FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, CASTELLATED, OCTAGON.


Manufacturer Information:
5310PL21301759009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
F12NE4753-14472962HARVARD INDUSTRIES INC
MS17825-1480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS17825-1496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS17825-14A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.875 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALPLASTIC POLYAMIDE LOCKING INSERT
STEEL NUT
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
NUT STYLESLOTTED, HEXAGON
NUT HEIGHT0.891 INCHES MINIMUM AND
0.921 INCHES MAXIMUM
WIDTH ACROSS FLATS1.239 INCHES MINIMUM AND
1.252 INCHES MAXIMUM
BEARING SURFACE TYPEWASHER FACED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL


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