National Item Identification Number
00-376-1378
003761378
3940-00-376-1378
3940003761378
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)
518092TYPEB
Required Categories
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BLOCK TYPE
LOCKING STYLE
SHEAVE
Required Description
3.500 INCHES NOMINAL
0.875 INCHES NOMINAL
SNATCH
1 SAFETY LOCKING
1
ROLLER;