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National Stock Number:
5310-01-386-3494
Federal Supply Class:
5310
National Item Identification Number:
013863494
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:
| 03A251-20C | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | AD03A251-20C | 92595 | NELSON STUD WELDING, INC | | T-1156-20C | 03038 | LONG-LOK, LLC | | H52826-20 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | T-1156-20C | 16941 | LONG-LOK LLC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD SIZE | 1.250 INCHES | | NUT HEIGHT | 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEMP RATING | 250.0 FAHRENHEIT MAXIMUM | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 12 | | WIDTH ACROSS FLATS | 1.728 INCHES MINIMUM AND 1.752 INCHES MAXIMUM |
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