1560-00-264-1242 DUCT ASSEMBLY,AIR COOLING,AVIONI Index 5310-00-264-1246 NUT,PLAIN,SLOTTED,HEXAGON

National Stock Number:
5310-00-264-1243

Federal Supply Class:
5310

National Item Identification Number:
002641243

Description:
NUT,PLAIN,HEXAGON

Detail:
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.)


Manufacturer Information:
814686718876U S ARMY AVIATION AND MISSILE COMMAND
AN315-18R80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
FF-N-83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
AN315-18R81352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
AN315-18RD9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE1.125 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING80.0 ROCKWELL B MINIMUM AND
32.0 ROCKWELL C MAXIMUM
NUT STYLEHEXAGON
NUT HEIGHT0.797 INCHES MINIMUM AND
0.828 INCHES MAXIMUM
WIDTH ACROSS FLATS1.667 INCHES MINIMUM AND
1.690 INCHES MAXIMUM
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
A GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-N-836


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