National Item Identification Number
01-533-7574
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)
38151
MARATHON ELECTRIC MANUFACTURING
CORPORATION
100 E RANDOLPH ST
WAUSAU
WI
54401
715-675-8165
38151
MARATHON ELECTRIC MANUFACTURING
CORPORATION
100 E RANDOLPH ST
WAUSAU
WI
54401
715-675-8165
Reference Numbers (Part Numbers)
A-7551
A-7551-18CC
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNC
0.250 INCHES
20
2B
RIGHT-HAND
STEEL OVERALL
A12 HEXAGON
0.220 INCHES