5305-01-310-3964 SCREW ASSEMBLY,PANEL Index 5310-01-310-3966 NUT,PLAIN,EXTENDED WASHER,HEXAGO

National Stock Number:
5310-01-310-3965

Federal Supply Class:
5310

National Item Identification Number:
013103965

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:
3M966-1076301THE BOEING COMPANY
3M966-108K160UNIREX, INC.
3M966-1092595NELSON STUD WELDING, INC


Techincal Specification:
DRILLED HOLE DIAMETER0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OVERALL
NOMINAL THREAD SIZE0.625 INCHES
NUT HEIGHT0.250 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.800 INCHES MINIMUM AND 0.814 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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