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National Stock Number:
5310-01-366-4544
Federal Supply Class:
5310
National Item Identification Number:
013664544
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:
| 803-6397304-XX-07 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | COUNTERBORE DIAMETER | 0.565 INCHES MINIMUM AND 0.567 INCHES MAXIMUM FIRST END | | COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 TY303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES | | NUT COUNTERBORE DEPTH | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST END | | NUT HEIGHT | 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.630 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD SERIES | UNF | | THREAD QUANTITY PER INCH | 20 |
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