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National Stock Number:
5310-01-281-0563
Federal Supply Class:
5310
National Item Identification Number:
012810563
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:
| 12387305-35 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | MS51967-35 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE TREATMENT | | NUT STYLE | HEXAGON | | NUT HEIGHT | 1.030 INCHES MINIMUM AND 1.094 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-N-836,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OR FF-N-836,GRADE C FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 1.250 INCHES | | WIDTH ACROSS FLATS | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TY 2 OR TY 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 7 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
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