5310-00-656-0389 WASHER,FLAT Index 5305-00-656-0392 SCREW,ASSEMBLED WASHER

National Stock Number:
5310-00-656-0391

Federal Supply Class:
5310

National Item Identification Number:
006560391

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:
BACN10MNJ1008903THE BOEING COMPANY
BACN10MNJ1081205THE BOEING COMPANY
MS35691-100596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING121.0 BRINELL STANDARD MINIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.625 INCHES
NUT HEIGHT0.363 INCHES MINIMUM AND 0.387 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIFICATION/STANDARD DATA81205-BACN10MN MANUFACTURERS STANDARD
WIDTH ACROSS FLATS0.9220 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH11
THREAD SERIESUNC


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