6610-00-489-9703 BLOCK,DIFFUSER Index 5310-00-489-9728 WASHER-BURR ALUM

National Stock Number:
5310-00-489-9725

Federal Supply Class:
5310

National Item Identification Number:
004899725

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:
1050261864TRW ASSEMBLIES AND FASTENERS GROUP


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.125 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.430 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNF
THREAD QUANTITY PER INCH28


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