5360-00-304-7552 SPRING,HELICAL,COMPRESSION Index 5330-00-304-7559 SEAL,NONMETALLIC SPECIAL SHAPED

National Stock Number:
5310-00-304-7558

Federal Supply Class:
5310

National Item Identification Number:
003047558

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:
1290304-13398897LOCKHEED MARTIN CORP


Techincal Specification:
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9,ALLOY 7075,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
NOMINAL THREAD SIZE1.750 INCHES
NUT HEIGHT0.688 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS2.242 INCHES MINIMUM AND 2.258 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONLC+77-2037,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)


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