5310-00-880-8186 NUT,PLAIN,HEXAGON Index 5310-00-880-8188 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-880-8187

Federal Supply Class:
5310

National Item Identification Number:
008808187

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.)


Manufacturer Information:
12387305-2719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
L3-6611-9D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
MS51967-2719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
MS51967-2796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING163.0 BRINELL STANDARD MINIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.875 INCHES
NUT HEIGHT0.724 INCHES MINIMUM AND 0.776 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH9
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS1.2690 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM


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