5305-01-309-2617 SCREW,CLOSE TOLERANCE Index 5310-01-309-2619 WASHER,FLAT

National Stock Number:
5310-01-309-2618

Federal Supply Class:
5310

National Item Identification Number:
013092618

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:
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILS1222TY2STYA GD4 5/16-18D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
MILS1222TY2STYA GD4 5/16-24D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,PLAIN,HEXAGON
NUT HEIGHT0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
WIDTH ACROSS FLATS0.546 INCHES MINIMUM AND 0.562 INCHES MAXIMUM


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