5310-00-574-0435 WASHER,FLAT Index 1560-00-574-0437 SUPPORT,TUBING

National Stock Number:
5310-00-574-0436

Federal Supply Class:
5310

National Item Identification Number:
005740436

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:
AN315-18L88044AERONAUTICAL 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
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.125 INCHES
NONDEFINITIVE SPEC/STD DATAA GRADE AND 2 TYPE
NUT HEIGHT0.812 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.667 INCHES MINIMUM AND 1.690 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONLEFT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH12


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