5940-01-257-6934 TERMINAL BOARD Index 4730-01-257-6937 NUT,UNION

National Stock Number:
5310-01-257-6935

Federal Supply Class:
5310

National Item Identification Number:
012576935

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:
MS35691-9696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.687 INCHES MINIMUM AND 0.751 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE1.250 INCHES
THREAD QUANTITY PER INCH12
THREAD SERIESUNF
WIDTH ACROSS FLATS1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA96906-MS35691 GOVERNMENT SPECIFICATION
SURFACE TREATMENTOXIDE FILM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B


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