National Item Identification Number
01-373-2734
013732734
3940-01-373-2734
3940013732734
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)
D9182
Reference Numbers (Part Numbers)
MIL-B-24220
MILB24220TYIIIC L1SZ12RIG25
Required Categories
STYLE DESIGNATOR
SHELL LENGTH
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BL
Required Description
6 HALF-OVAL PATTERN
12.000 INCHES MINIMUM
8.000 INCHES MINIMUM
1.000 INCHES M