5306-00-003-3885 BOLT,SHOULDER Index 5310-00-003-3887 NUT,PLAIN,DODECAGON

National Stock Number:
5310-00-003-3886

Federal Supply Class:
5310

National Item Identification Number:
000033886

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:
A51H20552-1105722S & L AEROSPACE METALS LLC
A51H20552-1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H20552-1161174NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H20552-1179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE120.0 DEGREES NOMINAL NUT
DRILLED HOLE DIAMETER0.047 INCHES NOMINAL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL COMP XM-12 OVERALL
NOMINAL THREAD SIZE0.625 INCHES
NUT HEIGHT0.343 INCHES NOMINAL
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH ACROSS FLATS0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM


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