National Item Identification Number
01-385-6852
013856852
3940-01-385-6852
3940013856852
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)
39428
Reference Numbers (Part Numbers)
3197T12
Required Categories
STYLE DESIGNATOR
SHEAVE OUTSIDE DIAMETER
BLOCK TYPE
LOCKING STYLE
MATERIAL A
Required Description
29 OVAL PATTERN
4.500 INCHES NOMINAL
SNATCH
1 SAFETY LOCKING
STEEL OVERALL;