5306-00-803-1049 BOLT,MACHINE Index 5307-00-803-1070 STUD,PLAIN

National Stock Number:
5310-00-803-1056

Federal Supply Class:
5310

National Item Identification Number:
008031056

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:
AN315C3L88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FF-N-83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.190 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE
NUT HEIGHT0.141 INCHES NOMINAL
WIDTH ACROSS FLATS0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONLEFT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIESUNF


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