5325-00-064-3518 GROMMET,NONMETALLIC Index 5305-00-064-3522 SCREW,MACHINE

National Stock Number:
5310-00-064-3519

Federal Supply Class:
5310

National Item Identification Number:
000643519

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:
128HM10340-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
128HM10340-179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
DRILLED HOLE DIAMETER0.050 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.312 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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