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National Stock Number:
5310-01-377-7320
Federal Supply Class:
5310
National Item Identification Number:
013777320
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:
| 164-19 | 55378 | TRAC REGULATOR CO., INC. | | 40398-4 FIND NO 25 | 55378 | TRAC REGULATOR CO., INC. | | 40444-4 FIND NO 25 | 55378 | TRAC REGULATOR CO., INC. | | 40490-9 FIND NO 25 | 55378 | TRAC REGULATOR CO., INC. | | 40506-4 FIND NO 25 | 55378 | TRAC REGULATOR CO., INC. | | 40506-9 ITEM 25 | 55378 | TRAC REGULATOR CO., INC. | | MIL-S-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 65.0 ROCKWELL B MINIMUM AND 95.0 ROCKWELL B MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F 594 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 304 OVERALL | | NOMINAL THREAD SIZE | 0.312 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE | | NUT HEIGHT | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SPECIAL FEATURES | DATA EXPORT PROHIBITED | | TEMP RATING | 1000.0 FAHRENHEIT NOMINAL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
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