National Item Identification Number
00-276-8612
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)
15852
W S DARLEY & CO
2000 ANSON DR
MELROSE PARK
IL
60160
708-345-8050
81336
CHIEF OF ENGINEERS
DEPT OF ARMY
NONE
WASHINGTON
DC
20314
Reference Numbers (Part Numbers)
KFF189
189
556189KFF
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNC
0.312 INCHES
18
2B
RIGHT-HAND
STEEL OVERALL
NOT RATED
A12 HEXAGON
0.