5310-00-490-2782 NUT,PLAIN,HEXAGON Index 5310-00-490-2784 NUT,SELF-LOCKING,DOUBLE HEXAGON

National Stock Number:
5310-00-490-2783

Federal Supply Class:
5310

National Item Identification Number:
004902783

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:
55NE4717-126019L2ESNA, LLC
55NE4717-12672962HARVARD INDUSTRIES INC
STSCB001A2498897LOCKHEED MARTIN CORP


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALPLASTIC POLYAMIDE LOCKING INSERT
STEEL NUT
SURFACE TREATMENTCADMIUM NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
NUT STYLESLOTTED, HEXAGON
NUT HEIGHT0.360 INCHES MINIMUM AND
0.390 INCHES MAXIMUM
WIDTH ACROSS FLATS1.115 INCHES MINIMUM AND
1.127 INCHES MAXIMUM
BEARING SURFACE TYPEWASHER FACED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING65.0 DEG FAHRENHEIT MINIMUM AND
250.0 DEG FAHRENHEIT MAXIMUM


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