5306-00-852-4244 BOLT,MACHINE Index 5340-00-852-4249 CLIP,SPRING TENSION

National Stock Number:
5310-00-852-4246

Federal Supply Class:
5310

National Item Identification Number:
008524246

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:
10121769A486GNIMIKKEISTOKESKUS NCB FINLAND
5310PL06329879009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
MS9201-040U583SAE INTERNATIONAL
MS9201-0481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9201-0496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS9201-04A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE


Techincal Specification:
DRILLED HOLE DIAMETER0.047 INCHES NOMINAL
BEARING SURFACE FINISH63.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERSINK ANGLE105.0 DEGREES MINIMUM AND 115.0 DEGREES MAXIMUM NUT
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY2 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 347 OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
NUT STYLEHEXAGON
PRECIOUS MATERIALSILVER
WIDTH ACROSS FLATS0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH20


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