5305-01-158-7837 SCREW ASSEMBLY,PANEL Index 5310-01-158-7839 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-158-7838

Federal Supply Class:
5310

National Item Identification Number:
011587838

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:
NAS1423-16LH80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
DRILLED HOLE DIAMETER0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
BEARING SURFACE FINISH125.0 MICROINCHES
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND D1 OR D4 OR F4 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000,COND C1 OR C4 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP E4340 OVERALL
NOMINAL THREAD SIZE1.000 INCHES
NUT HEIGHT0.250 INCHES NOMINAL
WIDTH ACROSS FLATS1.481 INCHES MINIMUM AND 1.502 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1423 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONLEFT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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