5305-01-006-0297 SCREW,CLOSE TOLERANCE Index 5310-01-006-0299 WASHER,FLAT

National Stock Number:
5310-01-006-0298

Federal Supply Class:
5310

National Item Identification Number:
010060298

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:
10121935A486GNIMIKKEISTOKESKUS NCB FINLAND
ST7M223T1014798DESIGNED METAL CONNECTIONS INC
ST7M223T1050599PARKER-HANNIFIN CORPORATION
ST7M223T1052930NELSON AERO SPACE, INC.
ST7M223T1059945BAILEY HOSE INC
ST7M223T1076301THE BOEING COMPANY


Techincal Specification:
THREAD SERIESUNJS
NOMINAL THREAD SIZE0.8438 INCHES
THREAD QUANTITY PER INCH18
THREAD PITCH DIAMETERS0.8077 TO 0.8122 INCHES
THREAD DIRECTIONRIGHT-HAND
MATERIALTITANIUM ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.278 INCHES NOMINAL
WIDTH ACROSS FLATS1.125 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND
100.0 DEGREES MAXIMUM NUT
SPECIAL FEATURESSOLID FILM LBURICANT ON THD
THE MANUFACTURERS DATA
MANUFACTURERS CODE76301
DESIGN CONTROL REFERENCEST7M223T10


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