5330-01-434-3777 SEAL,PLAIN ENCASED Index 5325-01-434-3779 STUD,TURNLOCK FASTENER

National Stock Number:
5310-01-434-3778

Federal Supply Class:
5310

National Item Identification Number:
014343778

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:
1241431519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12414315-021076M6AMZ ALABAMA INC.
12414315-0210FW39BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
12414315-02119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
THREAD SERIESM
NOMINAL THREAD SIZE20.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.50
THREAD TOLERANCE CLASS6H INTERNAL
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL PROPERTY CLASS 5.8 OR
STEEL PROPERTY CLASS 8.8 OVERALL
SURFACE TREATMENTZINC OVERALL
NUT STYLEHEXAGON
NUT HEIGHT18.0 MILLIMETERS MINIMUM AND
20.0 MILLIMETERS MAXIMUM
WIDTH ACROSS FLATS29.16 MILLIMETERS MINIMUM AND
30.00 MILLIMETERS MAXIMUM
BEARING SURFACE TYPECHAMFERED


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