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National Stock Number:
5310-01-101-2022
Federal Supply Class:
5310
National Item Identification Number:
011012022
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:
| E108609 FINE 281 | 3X894 | CONTROL FLOW, INC. | | MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-S-001222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | WG105255 | 97578 | TIMKEN GEARS & SERVICES INC. |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND A STYLE | | NUT HEIGHT | 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SPECIAL FEATURES | MATERIAL: STEEL GRADE 2 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TY 2,CL FE/ZN13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
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