5310-01-270-1248 NUT,PLAIN,CASTELLATED,HEXAGON Index 5310-01-270-1250 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-270-1249

Federal Supply Class:
5310

National Item Identification Number:
012701249

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:
106176-583014HARTWELL CORPORATION


Techincal Specification:
DRILLED HOLE DIAMETER0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
LUBRICATIONDRY FILM LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.313 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURESMADE FROM NAS 509-8
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNJF


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