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National Stock Number:
5310-00-005-0579
Federal Supply Class:
5310
National Item Identification Number:
000050579
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:
| FF-N-836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MS27952-19 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 1.250 INCHES | | THREAD QUANTITY PER INCH | 7 | | THREAD CLASS | 2B | | THREAD DIRECTION | LEFT-HAND | | MATERIAL | STEEL COMP 1016 OR | | STEEL COMP 1017 OR | | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | ZINC AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A153 ASSN STD 1ST TREATMENT RESPONSE AND | | MIL-T-12879 CANCELLED MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.687 INCHES MINIMUM AND | | 0.751 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 1.812 INCHES MINIMUM AND | | 1.875 INCHES MAXIMUM | | BEARING SURFACE TYPE | CHAMFERED OR | | WASHER FACED | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND | | 5 STYLE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-N-836 | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS27952-19 |
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