5920-01-014-2238 FUSE,CARTRIDGE Index 5310-01-014-2240 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-014-2239

Federal Supply Class:
5310

National Item Identification Number:
010142239

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


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222,TYPE 2,GRADE H MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING179.0 BRINELL HULTGREN MINIMUM AND
89.9 ROCKWELL C MINIMUM
NUT STYLEHEXAGON
NUT HEIGHT0.280 INCHES MINIMUM AND
0.314 INCHES MAXIMUM
WIDTH ACROSS FLATS0.546 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
BEARING SURFACE TYPEWASHER FACED
TEMP RATING875.0 DEG FAHRENHEIT NOMINAL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
H SYMBOL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-1222


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