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National Stock Number:
5310-00-753-8406
Federal Supply Class:
5310
National Item Identification Number:
007538406
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.)
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Manufacturer Information:
| F43209-1-5PC5-8 | 50024 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO | | F43209-1-5PC5-8 | 7PZX0 | FAIRBANKS MORSE, LLC | | NH40062PC53 | 23230 | AMEC FOSTER WHEELER NORTH AMERICA CORP. DBA FOSTER WHEELER |
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Techincal Specification:
| BEARING SURFACE FINISH | 125.0 MICROINCHES | | BEARING SURFACE TYPE | WASHER FACED | | CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD SIZE | 1.250 INCHES | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.062 INCHES NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | WIDTH ACROSS FLATS | 1.875 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES | UN |
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