3040-01-537-7042 SHAFT ASSEMBLY,SHOULDERED Index 1680-01-537-7044 GEARBOX ASSEMBLY,AIRCRAFT

National Stock Number:
5310-01-537-7043

Federal Supply Class:
5310

National Item Identification Number:
015377043

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:
DN-5851ITEM676588CORE INDUSTRIES INC. DBA MUELLER STEAM SPECIALTY
FN-4.0-1225WE300-3-076588CORE INDUSTRIES INC. DBA MUELLER STEAM SPECIALTY


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A194-4 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SPECIAL FEATURESITEM IS .250 HVY. HEX NUT. BOLTING TORQUE ON COVER NUT PC 6 IS 45 FT LBS.


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