5310-01-165-7551 NUT,PLAIN,HEXAGON Index 5310-01-165-7553 NUT,PLAIN,CLINCH

National Stock Number:
5310-01-165-7552

Federal Supply Class:
5310

National Item Identification Number:
011657552

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:
LD114-0014-000743999THE BOEING COMPANY


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.240 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
WIDTH ACROSS FLATS0.613 INCHES MINIMUM AND
0.627 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.046 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE90.0 DEGREES NOMINAL BOTH ENDS


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