National Item Identification Number
01-257-1080
012571080
3940-01-257-1080
3940012571080
National Stock Number
Item Name
BLOCK,TACKLE
Federal Supply Class
3940
Description
A mechanical device, consisting of a pulley(s) or sheave(s) encased in a shell or frame which may be provided with a means such as a hook, eye, strap, screw, etc., by which it may be attached to an object. It is used to change direction of a running rope and/or to gain a mechanical advantage.
Commercial and Government Entity Code (Supplier Data)
08844
Reference Numbers (Part Numbers)
A-2441-3
Required Categories
Required Description