5305-00-639-8488 SCREW,MACHINE Index 9905-00-639-8522 PLATE,INSTRUCTION

National Stock Number:
5310-00-639-8505

Federal Supply Class:
5310

National Item Identification Number:
006398505

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:
29270756232LOCKHEED MARTIN CORPORATION


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.125 INCHES
NUT HEIGHT0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD SERIESUNC


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