5310-01-042-2788 NUT,PLAIN,HEXAGON Index 5310-01-042-2790 NUT,PLAIN,CLINCH

National Stock Number:
5310-01-042-2789

Federal Supply Class:
5310

National Item Identification Number:
010422789

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:
ST7M223T16L76301THE BOEING COMPANY


Techincal Specification:
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY2 DRILLED
NUT HEIGHT0.769 INCHES MINIMUM AND 0.779 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIALTITANIUM ALLOY OVERALL
NOMINAL THREAD SIZE1.250 INCHES
WIDTH ACROSS FLATS1.500 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJS
THREAD QUANTITY PER INCH14


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