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National Stock Number:
5310-01-244-2253
Federal Supply Class:
5310
National Item Identification Number:
012442253
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:
| 1.125008UNC2BT1G400NSA/BAA | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 200-6226444/PC.22 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MIL-B-857, TYIII,1 1/8-8UN2B | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | COUNTERBORE DIAMETER | 1.110 INCHES NOMINAL BOTH ENDS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 1.125 INCHES | | NUT COUNTERBORE DEPTH | 0.015 INCHES NOMINAL BOTH ENDS | | NUT HEIGHT | 0.939 INCHES MINIMUM AND 0.999 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES | UN | | WIDTH ACROSS FLATS | 1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM |
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