5305-01-347-4025 SCREW,CLOSE TOLERANCE Index 4730-01-347-4027 NUT,TUBE COUPLING

National Stock Number:
5310-01-347-4026

Federal Supply Class:
5310

National Item Identification Number:
013474026

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:
651157353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OR STEEL COMP 304 OVERALL
NOMINAL THREAD SIZE0.875 INCHES
WIDTH ACROSS FLATS1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH14


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