5310-01-015-4487 NUT,PLAIN,CASTELLATED,HEXAGON Index 5310-01-015-4489 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-015-4488

Federal Supply Class:
5310

National Item Identification Number:
010154488

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:
66-1340281205THE BOEING COMPANY


Techincal Specification:
DRILLED HOLE DIAMETER0.078 INCHES NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE1.250 INCHES
NUT HEIGHT0.380 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.750 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONF-1.20,FSC-81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNF


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