2540-01-533-6420 INSULATION,VEHICULAR Index 2590-01-533-6422 BRACKET,VEHICULAR COMPONENTS

National Stock Number:
5310-01-533-6421

Federal Supply Class:
5310

National Item Identification Number:
015336421

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:
765AS202-130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
765AS202-230003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
COUNTERSINK ANGLE110.0 DEGREES NOMINAL CAP
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CL 303SE, COND B FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720, COMP 303SE, CONDB MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763, CL 303, COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303SE AND STEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.138 INCHES
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171, FINISH NO. 5.4.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B


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