National Item Identification Number
00-477-1991
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)
81220
NATIONAL STEEL & SHIPBUILDING
COMPANY
2798 HARBOR DR
SAN DIEGO
CA
92113
619-544-8746
Reference Numbers (Part Numbers)
330-521-23-28
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNS
2.312 INCHES
12
3B
RIGHT-HAND
STEEL OVERALL
NOT RATED
A12 HEXAGON
1.