5305-01-355-7609 SCREW,CAP,HEXAGON HEAD Index 5310-01-355-7611 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-355-7610

Federal Supply Class:
5310

National Item Identification Number:
013557610

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:
803-2177525-M3XX-1280064NAVAL SHIP SYSTEMS COMMAND
M1222N3C7C20NANN81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-DTL-1222J81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
HARDNESS RATING80.0 ROCKWELL B MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CLA,B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.403 INCHES MINIMUM AND 0.441 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.728 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNC
THREAD QUANTITY PER INCH14


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