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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171, FINISH NO. 5.4.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH32


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