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National Stock Number:
5310-00-879-3951
Federal Supply Class:
5310
National Item Identification Number:
008793951
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:
| 65101-11002-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | F09603-80-G-0747-0057 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | F09603-82-S-0702 | 7R334 | ALMAR INDUSTRIES INC HQ | | F09603-83-M-1872 | 7R334 | ALMAR INDUSTRIES INC HQ |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 0.875 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3B | | THREAD DIRECTION | LEFT-HAND | | MATERIAL | STEEL COMP E4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.281 INCHES NOMINAL | | WIDTH ACROSS FLATS | 1.312 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 3 DRILLED | | DRILLED HOLE DIAMETER | 0.070 INCHES NOMINAL | | BEARING SURFACE TYPE | CHAMFERED | | SPECIAL FEATURES | USED ON H-3 HELICOPTER | | BEARING SURFACE FINISH | 90.0 MICROINCHES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 65101-11002-102 |
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