5306-01-361-3550 BOLT,CLOSE TOLERANCE Index 5310-01-361-3552 WASHER,FLAT

National Stock Number:
5310-01-361-3551

Federal Supply Class:
5310

National Item Identification Number:
013613551

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:
421-4-25263-00199207GENERAL ELECTRIC COMPANY
421-4-25263-001K7034ABACO SYSTEMS LIMITED


Techincal Specification:
THREAD SERIESM
NOMINAL THREAD SIZE5.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.80
THREAD TOLERANCE CLASS6H INTERNAL
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQP35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT3.7 MILLIMETERS MINIMUM AND
4.0 MILLIMETERS MAXIMUM
WIDTH ACROSS FLATS7.85 MILLIMETERS MINIMUM AND
8.00 MILLIMETERS MAXIMUM
BEARING SURFACE TYPEFLAT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT


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