3110-00-903-3986 BEARING,BALL,ANNULAR Index 5310-00-903-3992 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-903-3991

Federal Supply Class:
5310

National Item Identification Number:
009033991

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:
212905-151913WALKER POWER SYSTEMS, INC.
MS51970-296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637,COMP 462 OR 464 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTBLACK OXIDE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH24
WIDTH ACROSS FLATS0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM


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