5310-00-208-2990 WASHER,FLAT Index 5305-00-208-2992 SCREW,MACHINE

National Stock Number:
5310-00-208-2991

Federal Supply Class:
5310

National Item Identification Number:
002082991

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:
SCD1246DET1980063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.312 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.000 INCHES
THREAD SERIESUNEF
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS1.375 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND


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