5306-01-246-0815 BOLT,INTERNAL WRENCHING Index 5330-01-246-0819 PACKING,PREFORMED

National Stock Number:
5310-01-246-0818

Federal Supply Class:
5310

National Item Identification Number:
012460818

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:
3/4-10UNC-3B03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
MIL-S-1222G TY103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BEARING SURFACE TYPEFLAT OR WASHER FACED
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL DOCUMENT AND CLASSIFICATION66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.750 INCHES
NUT HEIGHT0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM
NUT STYLEHEXAGON
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A 153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
WIDTH ACROSS FLATS1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM


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