3020-00-294-8352 GEAR,SPUR Index 3020-00-294-8357 GEAR,SPUR

National Stock Number:
5310-00-294-8353

Federal Supply Class:
5310

National Item Identification Number:
002948353

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:
1290304-11598897LOCKHEED MARTIN CORP


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALALUMINUM ALLOY 7075 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9,ALLOY 7075,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONLCP77-2037,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.469 INCHES NOMINAL
WIDTH ACROSS FLATS1.122 INCHES MINIMUM AND
1.128 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
BEARING SURFACE FINISH125.0 MICROINCHES
THE MANUFACTURERS DATA
MANUFACTURERS CODE98897
DESIGN CONTROL REFERENCE1290304-115


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