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National Stock Number:
5310-01-306-6032
Federal Supply Class:
5310
National Item Identification Number:
013066032
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:
| 65850-05244-104 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| DRILLED HOLE DIAMETER | 0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM | | BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 3 DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD SIZE | 1.125 INCHES | | NUT HEIGHT | 0.328 INCHES NOMINAL | | NUT STYLE | HEXAGON | | SPECIAL FEATURES | CADMIUM PLATE,QQ-P-416,TYPE 2,CLASS 2,BEFORE PAINTING; NO PAINT IN HOLES; MAGNETIC PARTICLE INSPECT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS | | SURFACE TREATMENT | CHROMATE ZINC OVERALL EXCEPT THREADS | | TEST DATA DOCUMENT | 78286-SS8805 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNJEF | | THREAD QUANTITY PER INCH | 18 | | WIDTH ACROSS FLATS | 1.605 INCHES MINIMUM AND 1.627 INCHES MAXIMUM |
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