5310-01-397-5491 WASHER,LOCK Index 5325-01-397-5493 INSERT,SCREW THREAD

National Stock Number:
5310-01-397-5492

Federal Supply Class:
5310

National Item Identification Number:
013975492

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:
1150863763005ROLLS-ROYCE CORPORATION


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE5.0 MILLIMETERS
NUT STYLEHEXAGON
NUT HEIGHT6.7 MILLIMETERS MINIMUM AND 7.5 MILLIMETERS MAXIMUM
WIDTH ACROSS FLATS7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH IN MILLIMETERS0.80
THREAD SERIESISO M
THREAD TOLERANCE CLASS6H INTERNAL


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