3120-00-007-2817 BUSHING,SLEEVE Index 5306-00-007-2821 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5310-00-007-2818

Federal Supply Class:
5310

National Item Identification Number:
000072818

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:
A51H20536-1105722S & L AEROSPACE METALS LLC
A51H20536-1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H20536-1161174NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H20536-1179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
DRILLED HOLE DIAMETER0.047 INCHES NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE120.0 DEGREES NOMINAL NUT
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIAL DOCUMENT AND CLASSIFICATIONGM 3111 6AL-6V-2SN FSCM 26523 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
NOMINAL THREAD SIZE0.812 INCHES
NUT HEIGHT0.343 INCHES NOMINAL
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)
THREAD QUANTITY PER INCH16
WIDTH ACROSS FLATS1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM


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