5310-00-687-6089 NUT,PLAIN,ROUND Index 5305-00-687-6094 SETSCREW

National Stock Number:
5310-00-687-6092

Federal Supply Class:
5310

National Item Identification Number:
006876092

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:
S6165-2024378286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
DRILLED HOLE DIAMETER0.046 INCHES NOMINAL
BEARING SURFACE FINISH100.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE109.5 DEGREES MINIMUM AND 110.5 DEGREES MAXIMUM NUT
COUNTERBORE DIAMETER0.688 INCHES NOMINAL NUT
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION H
HOLE TYPE AND QUANTITY2 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD SIZE0.688 INCHES
NUT HEIGHT0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.875 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNEF
THREAD QUANTITY PER INCH24


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