3431-00-218-1526 WELDING MACHINE,STUD,DIRECT CURR Index 4420-00-218-1532 VALVE,CHECK,NONRETU

National Stock Number:
5310-00-218-1527

Federal Supply Class:
5310

National Item Identification Number:
002181527

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:
07A098-161W025NORTHROP GRUMMAN SYSTEMS CORP
AE16133-1600624EATON AEROQUIP LLC
AP391T1601673SPS TECHNOLOGIES, LLC
GN512EY1606173PROGRESSIVE STEEL RULE DIE CO INC
GN512EY1626512NORTHROP GRUMMAN SYSTEMS CORPORATION
GN512EY1678570SMITHS TUBULAR SYSTEMS-LACONIA, INC.
R44118T1650599PARKER-HANNIFIN CORPORATION


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 QUANTITY1 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
NOMINAL THREAD SIZE1.250 INCHES
NUT HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.500 INCHES NOMINAL
TEMP RATING275.0 FAHRENHEIT NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD QUANTITY PER INCH14
THREAD SERIESUNJS


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