3040-00-409-2144 SHAFT,STRAIGHT Index 3040-00-409-2147 COLLAR,SHAFT

National Stock Number:
5310-00-409-2145

Federal Supply Class:
5310

National Item Identification Number:
004092145

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:
66016811449TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
66016877445RTX CORPORATION


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.635 INCHES MINIMUM AND
0.655 INCHES MAXIMUM
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND
0.564 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
THE MANUFACTURERS DATA
MANUFACTURERS CODE11449
DESIGN CONTROL REFERENCE660168


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