4540-01-080-0717 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-080-0720 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-080-0719

Federal Supply Class:
5310

National Item Identification Number:
010800719

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:
2510430-110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 303 OR
STEEL COMP 304 OR
STEEL COMP 321 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.170 INCHES MINIMUM AND
0.172 INCHES MAXIMUM
WIDTH ACROSS FLATS0.370 INCHES MINIMUM AND
0.378 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE110.0 DEGREES MINIMUM AND
130.0 DEGREES MAXIMUM BOTH ENDS
BEARING SURFACE FINISH32.0 MICROINCHES


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