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National Stock Number:
5310-01-121-5521
Federal Supply Class:
5310
National Item Identification Number:
011215521
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:
| 810-4385049 PIECE 50 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 810-4385049-A-050 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 1.375 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | NICKEL ALLOY R-405 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL B,COND COLD DRAWN FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.312 INCHES NOMINAL | | WIDTH ACROSS FLATS | 2.000 INCHES NOMINAL | | BEARING SURFACE TYPE | FLAT | | SPECIAL FEATURES | ONE TAPPED HOLE 0.250-20 UNC-2B,0.250 IN. MIN FULL THREAD DEPTH THROUGH BEARING SURFACE | | BEARING SURFACE FINISH | 125.0 MICROINCHES |
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