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National Stock Number:
5310-01-201-8876
Federal Supply Class:
5310
National Item Identification Number:
012018876
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:
| 0.50013UNC2BG5T3SAN | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 688-1864,1/2-13UNC-2B | 43689 | HUNTINGTON INGALLS INC | | MIL-B-857,TY3,GR5,STY A | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 688-1964,GR-5,FSCM43689 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.427 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | BEARING SURFACE TYPE | WASHER FACED | | SPECIAL FEATURES | NUCLEAR LEVEL 1 | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 0.50013UNC2BG5T3SAN | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 43689 | | DESIGN CONTROL REFERENCE | 688-1864,1/2-13UNC-2B |
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