National Item Identification Number
00-141-7196
001417196
3940-00-141-7196
3940001417196
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)
Reference Numbers (Part Numbers)
MIL-B-12582
Required Categories
STYLE DESIGNATOR
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BLOCK TYPE
MATE
Required Description
7 HALF-ROUND PATTERN
8.000 INCHES NOMINAL
ANY ACCEPTABLE
REGULAR
STEEL OVERA