5310-00-245-0136 WASHER,KEY Index 3020-00-245-0140 GEAR,SPUR

National Stock Number:
5310-00-245-0138

Federal Supply Class:
5310

National Item Identification Number:
002450138

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:
611329-1210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
COUNTERBORE DIAMETER0.406 INCHES MINIMUM AND 0.416 INCHES MAXIMUM NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
NOMINAL THREAD SIZE0.391 INCHES
NUT COUNTERBORE DEPTH0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM NUT
NUT HEIGHT0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIAL FEATURESCOLOR OCEAN GRAY
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNNAVORD STD,FSCM 10001 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPAINT OVERALL
THREAD DIRECTIONLEFT-HAND
THREAD PITCH DIAMETERS+0.3703 TO 0.3736 INCHES
THREAD SERIESUNS
THREAD QUANTITY PER INCH32


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