6625-00-900-9417 LEAD,TEST Index 6210-00-900-9422 LIGHT,INDICATOR

National Stock Number:
5310-00-900-9421

Federal Supply Class:
5310

National Item Identification Number:
009009421

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:
10121805A486GNIMIKKEISTOKESKUS NCB FINLAND
5310PL01993199009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
F12NE4753-054019L2ESNA, LLC
F12NE4753-05472962HARVARD INDUSTRIES INC
938.08.71.205S4080PILATUS AIRCRAFT LTD
9380871205S4080PILATUS AIRCRAFT LTD
F12NEC52427687GREER STOP NUT INC.
TCR6562554ALCOA GLOBAL FASTENERS INC. DBA SIMMONDS MECAERO FAS PDTS DIV SIMMONDS MECAERO FAS PDTS
MS17825-596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS17825-5A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE
MS17825-5A0311TECNO TRADE S.R.L.


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
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,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
NUT STYLESLOTTED, HEXAGON
NUT HEIGHT0.313 INCHES MINIMUM AND
0.343 INCHES MAXIMUM
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND
0.502 INCHES MAXIMUM
BEARING SURFACE TYPEWASHER FACED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS17825-5


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