Part Number: 12Z9-403

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CONDITION:
NS
NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER10001
MCMASTER-CARR SUPPLY COMPANY3A054
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M81349
ZF INDUSTRIEANTRIEBE WITTEN GMBHD9182
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M96906
ZF INDUSTRIEANTRIEBE WITTEN GMBHD9182
TODD COMBUSTION INC31923
ZF INDUSTRIEANTRIEBE WITTEN GMBHD9182
NAVAL SHIP SYSTEMS COMMAND80064
SNYDER MFG CO77987
US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR80063
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
NUT HEIGHT0.294 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
WIDTH ACROSS FLATS0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD SERIESUNC
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE0.375 INCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE AND 2 TYPE AND B STYLE
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)