5310-01-507-3240 NUT,PLAIN,HEXAGON Index 2040-01-507-3242 PORTLIGHT

National Stock Number:
5310-01-507-3241

Federal Supply Class:
5310

National Item Identification Number:
015073241

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:
1.250-7UNC-2B-NICU03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
556-7015844-2753711NAVAL SEA SYSTEMS COMMAND
H791-7000-2796169ELECTRIC BOAT CORPORATION


Techincal Specification:
HARDNESS RATING75.0 ROCKWELL B MINIMUM
HOLE CONFIGURATION STYLECONFIGURATION C
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-F467 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD SIZE1.250 INCHES
NUT HEIGHT1.062 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURESMATERIAL IS NICKEL-COPPER
WIDTH ACROSS FLATS1.875 INCHES NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH7


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