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National Stock Number:
5310-00-012-0376
Federal Supply Class:
5310
National Item Identification Number:
000120376
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:
| 120376 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 120376 | 24617 | GENERAL MOTORS CORP | | 120376 | 7X677 | GENERAL MOTORS LLC | | 25704-281280-13-0 | D1839 | BUNDESAMT FUER AUSRUESTUNG, | | 25704-281280-13-0 | D2692 | KRAUSS-MAFFEI WEGMANN GMBH & CO. KG-WERK KASSEL- | | 33797S7 | 23040 | FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES | | 80014 | F0590 | THOMSON/HOUSTON HOTCHKISS/BRANDT | | 80014 | F3880 | THALES AIR DEFENCE | | 80014 | F8224 | THALES LAS FRANCE SAS | | FF-N-836 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS35690-505 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS35690-505 | D5589 | FEINMECHANISCHE WERKE MAINZ GMBH | | MS35690-505 | D9893 | LIEBHERR-AEROSPACE LINDENBERG GMBH | | V11-001-031 | 97403 | CECOM LR CENTER |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATL | | HARDNESS RATING | 95.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J995,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OR FF-N-836,TABLE 4,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.312 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE AND 5/16-18UNC SIZE | | NUT HEIGHT | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SPECIFICATION/STANDARD DATA | 24617-120376 MANUFACTURERS STANDARD AND 81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35690/CANCELED/ GOVERNMENT STANDARD | | WIDTH ACROSS FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OR CHROMATE ZINC OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNC |
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