National Item Identification Number
01-139-2728
011392728
5133-01-139-2728
5133011392728
National Stock Number
Item Name
COUNTERBORE,HAND
Federal Supply Class
5133
Description
An end cutting tool for forming a flat bottomed enlargement of the mouth of a previously formed cylindrical hole. It may have an integral or inserted pilot. Designed to be driven or turned by a wrench, carpenter's brace or handle. For power driven items, see COUNTERBORE, MACHINE.
Commercial and Government Entity Code (Supplier Data)
98897
Reference Numbers (Part Numbers)
363A700-087B
Required Categories
MATERIAL
OVERALL LENGTH
NOMINAL CUTTING DIAMETER
FEATURES PROVIDED
PILOT HOL
Required Description
STEEL OVERALL
0.500 INCHES NOMINAL
0.4375 INCHES
INTEGRAL PILOT
0.188 INCHES