5305-01-264-4220 SCREW,SHOULDER Index 5310-01-264-4222 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-264-4221

Federal Supply Class:
5310

National Item Identification Number:
012644221

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:
2653384-00580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
NOMINAL THREAD SIZE1.500 INCHES
NUT HEIGHT0.438 INCHES NOMINAL
NUT STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
WIDTH ACROSS FLATS2.750 INCHES NOMINAL
SURFACE TREATMENTENAMEL OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH6
THREAD SERIESUNC


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