5975-01-077-3122 NUT,COUPLING,ELECTRICAL CONDUIT Index 5310-01-077-3124 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-077-3123

Federal Supply Class:
5310

National Item Identification Number:
010773123

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:
10122090A486GNIMIKKEISTOKESKUS NCB FINLAND
5310PL07487399009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1423-380205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 4130 OR
STEEL COMP 4340 OVERALL
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
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM
NUT STYLEHEXAGON
NUT HEIGHT0.115 INCHES MINIMUM AND
0.135 INCHES MAXIMUM
WIDTH ACROSS FLATS0.365 INCHES MINIMUM AND
0.377 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.034 INCHES MINIMUM AND
0.039 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
SPECIFICATION/STANDARD DATA80205-NAS1423 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
BEARING SURFACE FINISH125.0 MICROINCHES


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