5360-00-411-4397 SPRING,HELICAL,COMPRESSION Index 5310-00-411-4399 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-411-4398

Federal Supply Class:
5310

National Item Identification Number:
004114398

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:
6643118PC701289GENERAL ELECTRIC COMPANY
K6643118PC701289GENERAL ELECTRIC COMPANY


Techincal Specification:
BEARING SURFACE FINISH63.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222 TY 1 GR B16 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.875 INCHES
NUT HEIGHT0.484 INCHES NOMINAL
NUT STYLEHEXAGON
SURFACE TREATMENTCOPPER OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH9
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS1.312 INCHES NOMINAL


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