5330-00-447-6574 PACKING,PREFORMED Index 5305-00-447-6579 SCREW,CAP,SOCKET HEAD

National Stock Number:
5310-00-447-6578

Federal Supply Class:
5310

National Item Identification Number:
004476578

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:
10015511599TRIUMPH ENGINE CONTROL SYSTEMS LLC
H38-580294BOURNS INSTRUMENTS INC


Techincal Specification:
THREAD SERIESUNEF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTNICKEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CL 1,TY 7 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.073 INCHES MINIMUM AND
0.083 INCHES MAXIMUM
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY2 DRILLED
DRILLED HOLE DIAMETER0.020 INCHES MINIMUM AND
0.030 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
BEARING SURFACE FINISH250.0 MICROINCHES


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