National Item Identification Number
00-974-7441
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)
76040
MACK TRUCKS INC
PARTS OPN
2100 MACK BLVD
M
ALLENTOWN
PA
18105
610-709-3011
89619
MACK TRUCKS INC
GOVERNMENT SALES DIV
7000 ALBURTIS RD
MACUNGIE
PA
18062
610-709-3666
Reference Numbers (Part Numbers)
21AX750
21AX750
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNF
0.438 INCHES
20
2B
RIGHT-HAND
STEEL OVERALL
CADMIUM OR
ZINC OVERALL;