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National Stock Number:
5310-01-508-8529
Federal Supply Class:
5310
National Item Identification Number:
015088529
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:
| 7249548 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232,TYPE M FED STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 41.0 ROCKWELL C MAXIMUM | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.812 INCHES NOMINAL | | WIDTH ACROSS FLATS | 2.000 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | BEARING SURFACE TYPE | CHAMFERED | | LUBRICATION | DRY FILM LUBRICANT | | SPECIAL FEATURES | MATERIAL IS A STEEL ALLOY; NUT IS IRREGULARLY SHAPED IN THAT IT HAS A HEAD HEIGHT OF ONLY 0.312 INCHES OF THE TOTAL HEIGHT AND HAS A PROTRUDING SHAFT OF 0.745 INCH DIAMETER COMPLIMENTING THE REMAINDER OF THE HEIGHT, WITH A HOLLOWED OUT PORTION UNDER THE HEAD (CUPPED) BEGINNING 0.125 INCHES FROM OUTER DIAMETER AND TO THE SHAFT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, CUPPED |
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