6210-00-579-2093 LENS,LIGHT Index 5305-00-579-2095 SCREW,CLOSE TOLERANCE

National Stock Number:
5310-00-579-2094

Federal Supply Class:
5310

National Item Identification Number:
005792094

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:
LS11170-2298897LOCKHEED MARTIN CORP
MILN603481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NAS509-2280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE1.375 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM
NUT STYLEHEXAGON
NUT HEIGHT0.594 INCHES NOMINAL
WIDTH ACROSS FLATS1.851 INCHES MINIMUM AND
1.877 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.069 INCHES MINIMUM AND
0.074 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
COUNTERSINK ANGLE109.0 DEGREES MINIMUM AND
111.0 DEGREES MAXIMUM NUT
BEARING SURFACE FINISH125.0 MICROINCHES
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILN6034


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