National Item Identification Number
01-470-1888
National Stock Number
Item Name
NUT,PLAIN,HEXAGON
Federal Supply Class
5310
Description
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.)
Commercial and Government Entity Code (Supplier Data)
50024
FAIRBANKS MORSE ENGINE
DIV FAIRBANKS MORSE ENGINE
701 WHITE AVE
BELOIT
WI
53511
608-364-8414
Reference Numbers (Part Numbers)
2151693-1
Required Categories
THREAD QUANTITY PER INCH
HOLE NOMINAL THREAD DIAMETER
SPECIAL FEATURES
III EN
Required Description
20
0.250 INCHES
USED ON LUBRICATING OIL FILTER
ALCO 251 MARINE DIESEL ENGINE;