5950-00-189-5159 TRANSFORMER ASSEMBLY Index 5310-00-189-5162 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-189-5161

Federal Supply Class:
5310

National Item Identification Number:
001895161

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:
MILB857TYPE4STYLEA0RB81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 410 OR STEEL COMP 416 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.141 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNC


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