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National Stock Number:
5310-00-437-8311
Federal Supply Class:
5310
National Item Identification Number:
004378311
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:
| 65301-12055-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65301-12055-101 | D1081 | AIRBUS DEUTSCHLAND GMBH -WERK BREMEN- |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.300 INCHES NOMINAL | | WIDTH ACROSS FLATS | 1.125 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 3 DRILLED | | DRILLED HOLE DIAMETER | 0.070 INCHES NOMINAL | | BEARING SURFACE TYPE | FLAT | | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL FIRST END | | SPECIAL FEATURES | 0.380 IN. OF ID TAPERED FROM 0.750 IN. TO 0.510 IN. | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 65301-12055-101 |
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