5310-00-202-0403 WASHER,FLAT Index 5306-00-202-0406 BOLT,MACHINE

National Stock Number:
5310-00-202-0405

Federal Supply Class:
5310

National Item Identification Number:
002020405

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:
8103-A-0440-1706540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
8103-A-0440-171YGB8CAREY MANUFACTURING CO, INC
A1574-5/16-1681312WINCHESTER INTERCONNECT CORPORATION


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALALUMINUM ALLOY 2011 OR
ALUMINUM ALLOY 6262 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/3 T3 FED STD 1ST MATERIAL RESPONSE OR
QQ-A-225/10 T9 FED STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.312 INCHES NOMINAL
WIDTH ACROSS FLATS0.187 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
THE MANUFACTURERS DATA
MANUFACTURERS CODE1YGB8
DESIGN CONTROL REFERENCE8103-A-0440-17


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