5305-01-355-0985 SCREW,CAP,SOCKET HEAD Index 5310-01-355-0987 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-355-0986

Federal Supply Class:
5310

National Item Identification Number:
013550986

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:
803-2177525-M3XX-1580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.280 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
NOMINAL THREAD SIZE0.312 INCHES
WIDTH ACROSS FLATS0.546 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH18


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