National Item Identification Number
00-721-5581
007215581
5306-00-721-5581
5306007215581
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)
70210
99193
Reference Numbers (Part Numbers)
375907
375907
375907
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.530 INCHES MINIMUM
1.000 INCHES NOMINA