Part Number: 021-12109

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CONDITION:
NS
ZF INDUSTRIEANTRIEBE WITTEN GMBHD9182
KIDDE-FENWAL, INC.0KDP7
SARGENT AEROSPACE & DEFENSE, LLC78062
LOCKHEED MARTIN CORPORATION4236
SPS TECHNOLOGIES, LLC56878
ZF INDUSTRIEANTRIEBE WITTEN GMBHD9182
HAMILTON SUNDSTRAND CORPORATION99167
U S ARMY AVIATION AND MISSILE COMMAND18876
L-3 COMMUNICATIONS INTEGRATED SYSTEMS L.P.23974
ARCONIC GLOBAL FASTENERS & RINGS, INC.15653
M&M AEROSPACE HARDWARE INC.2N935
TECNOTEC SARLF6033
KLX AEROSPACE SOLUTIONS II SASF7652
C.M.P.FB009
SATAIR A/SR1120
EATON-AEROQUIP LLC.624
SATAIR A/SR1120
FITZ AEROSPACE, LLC019L2
HARVARD INDUSTRIES INC72962
KLINES FURNITURE CO INC72963
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
WASHER OUTSIDE DIAMETER0.531 INCHES MAXIMUM
OVERALL HEIGHT0.346 INCHES MINIMUM AND 0.361 INCHES MAXIMUM
NUT STYLEA293 DOUBLE HEXAGON
WASHER THICKNESS0.090 INCHES NOMINAL
WIDTH ACROSS FLATS0.369 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL
THREAD SERIESUNF
THREAD QUANTITY PER INCH28
HARDNESS RATINGNOT RATED
NOMINAL THREAD SIZE0.250 INCHES
COUNTERSINK ANGLEANY ACCEPTABLE NUT
MATERIALSTEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6280 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PROPRIETARY CHARACTERISTICSPACS
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORA1 CYLINDRICAL
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.