National Item Identification Number
00-455-5411
004555411
3940-00-455-5411
3940004555411
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)
GGGB500
Required Categories
STYLE DESIGNATOR
SHELL LENGTH
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BL
Required Description
12 HOISTER PATTERN
18.000 INCHES NOMINAL
14.000 INCHES NOMINAL
1.500 INCHES N