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National Stock Number:
5310-00-011-8557
Federal Supply Class:
5310
National Item Identification Number:
000118557
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:
| 118557 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 118557 | 24617 | GENERAL MOTORS CORP | | 118557 | 7X677 | GENERAL MOTORS LLC | | 804736 | 19203 | PICATINNY ARSENAL | | FF-N-836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNC | | WIDTH ACROSS FLATS | 0.4230 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM | | SURFACE TREATMENT | NICKEL OVERALL |
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