National Item Identification Number
00-208-0659
National Stock Number
Item Name
BOLT,INTERNALLY RELIEVED BODY
Federal Supply Class
5306
Description
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.
Commercial and Government Entity Code (Supplier Data)
99251
Reference Numbers (Part Numbers)
778450-1
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.138 INCHES MINIMUM
0.218 INCHES NOMINA