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National Stock Number:
5310-01-555-4979
Federal Supply Class:
5310
National Item Identification Number:
015554979
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:
| 10039341 | 61C19 | MIL-COTS CORPORATION | | 12759-00455 | 0Y3H3 | FASTENAL COMPANY | | 36403 | 0Y3H3 | FASTENAL COMPANY | | 3821013C1 | 338X5 | ND DEFENSE LLC | | ESP-E-56.101-GS | 338X5 | ND DEFENSE LLC | | ESP-E-56.121-PP | 338X5 | ND DEFENSE LLC |
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Techincal Specification:
| WIDTH ACROSS FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNC | | BEARING SURFACE TYPE | FLAT | | LUBRICATION | OIL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995, GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, HEX, 5/16-18 | | PROPRIETARY CHARACTERISTICS | NPAC | | NOMINAL THREAD SIZE | 0.312 INCHES | | NUT HEIGHT | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM | | NUT STYLE | HEXAGON |
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