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National Stock Number:
5310-00-262-5614
Federal Supply Class:
5310
National Item Identification Number:
002625614
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:
| SP442 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | NICKEL ALLOY R-405 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.178 INCHES MINIMUM AND | | 0.198 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.620 INCHES MINIMUM AND | | 0.630 INCHES MAXIMUM | | BEARING SURFACE TYPE | FLAT | | COUNTERBORE DIAMETER | 0.447 INCHES MINIMUM AND | | 0.457 INCHES MAXIMUM NUT | | COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM AND | | 95.0 DEGREES MAXIMUM NUT | | BEARING SURFACE FINISH | 125.0 MICROINCHES |
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