National Item Identification Number
00-404-0782
National Stock Number
Item Name
BOLT,RIBBED SHOULDER
Federal Supply Class
5306
Description
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.
Commercial and Government Entity Code (Supplier Data)
19207
Reference Numbers (Part Numbers)
11640931
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.438 INCHES
20
2A
RIGHT-HAND
0.978 INCHES MINIMUM AND
1.018 INCHES MA