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:
BEARING SURFACE TYPEWASHER FACED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
MATERIALSTEEL NUT
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.313 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
NUT STYLESLOTTED, HEXAGON
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH24


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