5310-00-209-3312 WASHER,FLAT Index 5330-00-209-3318 GASKET

National Stock Number:
5310-00-209-3315

Federal Supply Class:
5310

National Item Identification Number:
002093315

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:
64658-03120-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPEFLAT
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
DRILLED HOLE DIAMETER0.052 INCHES NOMINAL
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY6 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NOMINAL THREAD SIZE0.938 INCHES
NUT HEIGHT0.312 INCHES NOMINAL
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUN
WIDTH ACROSS FLATS1.250 INCHES NOMINAL


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