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National Stock Number:
5310-00-537-8518
Federal Supply Class:
5310
National Item Identification Number:
005378518
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:
| 102-2S416 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | 350428776L | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | FF-N-836ETYPEB2 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FFB571ATYPEB2 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 1010 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR | | QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.187 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.425 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | BEARING SURFACE TYPE | WASHER FACED | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-N-836ETYPEB2 |
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