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National Stock Number:
5310-00-543-5041
Federal Supply Class:
5310
National Item Identification Number:
005435041
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:
| 5310PL0145240 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | FF-N-836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | NAS509L8 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| BEARING SURFACE FINISH | 125.0 MICROINCHES | | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL BOTH ENDS | | DRILLED HOLE DIAMETER | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | HARDNESS RATING | 34.0 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-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD SIZE | 0.500 INCHES | | NUT HEIGHT | 0.313 INCHES NOMINAL | | NUT STYLE | HEXAGON | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | LEFT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) | | WIDTH ACROSS FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
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