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National Stock Number:
5310-01-508-8453
Federal Supply Class:
5310
National Item Identification Number:
015088453
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:
| 167-7409320-41 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 167-7409321-35 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B541-1100-41 | 96169 | ELECTRIC BOAT CORPORATION | | B541-1110-35 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HOLE CONFIGURATION STYLE | CONFIGURATION A | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286, FORM 2, COND-ANL, AH FIN-A FED SPEC 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | NOMINAL THREAD SIZE | 2.750 INCHES | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.630 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SPANNER | | SPECIAL FEATURES | NUT SHALL HAVE A (.375-16UNC-2B) CENTER HOLE; IT SHOULD HAVE 3X.094 THRU EQUALLY SPACED HOLES ON ITS SIDE AND HAVE 3 SLOTS (3X.14) ON TOP EQUALLY SPACED (.25) FROM EACH EDGE | | WIDTH ACROSS FLATS | 4.120 INCHES MINIMUM AND 4.250 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD SERIES | UN | | THREAD QUANTITY PER INCH | 12 |
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