1560-01-548-3522 INSULATION,THERMAL,AIRCRAFT Index 1560-01-548-3524 PANEL,STRUCTURAL,AIRCRAFT

National Stock Number:
5310-01-548-3523

Federal Supply Class:
5310

National Item Identification Number:
015483523

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:
5310PL15612379009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AS5178W040U583SAE INTERNATIONAL
AS5178W0481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5178W04KCV81AVIATION SPARES & REPAIRS LIMITED


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALALUMINUM ALLOY 7075 OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.250 INCHES NOMINAL
WIDTH ACROSS FLATS0.684 INCHES MINIMUM AND
0.691 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT


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