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National Stock Number:
5310-01-221-3021
Federal Supply Class:
5310
National Item Identification Number:
012213021
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:
| 103-4645417 ITEM 4-8 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87453-1009 ITEM 4-8 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HOLE CONFIGURATION STYLE | CONFIGURATION A | | HOLE NOMINAL THREAD DIAMETER | 0.625 INCHES | | HOLE THREAD QUANTITY PER INCH | 11 | | HOLE TYPE AND QUANTITY | 2 TAPPED | | MATERIAL | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1541 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL | | NOMINAL THREAD SIZE | 3.000 INCHES | | NUT HEIGHT | 2.518 INCHES MINIMUM AND 2.638 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 4.350 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNC | | THREAD QUANTITY PER INCH | 4 |
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