6240-00-519-1159 LAMP,INCANDESCENT Index 5310-00-519-1161 WASHER,KEY

National Stock Number:
5310-00-519-1160

Federal Supply Class:
5310

National Item Identification Number:
005191160

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:
519116019204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPEWASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1132 OR STEEL COMP 1139 OR STEEL COMP 1140 OVERALL
NOMINAL THREAD SIZE1.750 INCHES
NUT HEIGHT1.172 INCHES MINIMUM AND 1.203 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS2.484 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,CL 1 MIL SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTPHOSPHATE MANGANESE OR PHOSPHATE ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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