5305-00-054-9521 THUMBSCREW Index 5310-00-054-9526 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-054-9525

Federal Supply Class:
5310

National Item Identification Number:
000549525

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:
8440-102121GOODRICH AEROSPACE CANADA LTD.


Techincal Specification:
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
NUT HEIGHT0.310 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
NOMINAL THREAD SIZE1.250 INCHES
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNF
WIDTH ACROSS FLATS1.728 INCHES MINIMUM AND 1.752 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL


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