National Item Identification Number
00-239-8776
002398776
3940-00-239-8776
3940002398776
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
SHEAVE OUTSIDE DIAMETER
BLOCK TYPE
MATERIAL AND LOCATION
SU
Required Description
1 OVAL PATTERN
6.000 INCHES NOMINAL
REGULAR
BRONZE BEARING
STEEL CENTER PIN;