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National Stock Number:
5310-00-013-4556
Federal Supply Class:
5310
National Item Identification Number:
000134556
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:
| 134556 | 12204 | DAIMLER CHRYSLER | | 134556 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | 134556 | 24617 | GENERAL MOTORS CORP | | 134556 | 7X677 | GENERAL MOTORS LLC | | 37063D | 31007 | NAVISTAR INTL CORP | | 79029 | 57733 | STEWART-WARNER CORPORATION | | 84852C | 08683 | BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC | | 9B7234 | 11083 | CATERPILLAR INC | | FF-N-836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | PD78 | 66289 | WISCONSIN MOTORS LLC |
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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 OVERALL OR FF-N-836,TABLE 4,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.312 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 11 STYLE AND 5/16-18UNC SIZE | | NUT HEIGHT | 0.208 INCHES MINIMUM AND 0.225 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SPECIFICATION/STANDARD DATA | 24617-134556 MANUFACTURERS STANDARD AND 81348-FF-N-836 GOVERNMENT SPECIFICATION | | WIDTH ACROSS FLATS | 0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR CHROMATE ZINC OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNC |
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