National Item Identification Number
00-909-1332
009091332
3940-00-909-1332
3940009091332
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)
77272
81205
Reference Numbers (Part Numbers)
114E5131-1
114E5131-1
Required Categories
STYLE DESIGNATOR
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BLOCK TYPE
MATE
Required Description
25 HALF-STRAP PATTERN
4.130 INCHES NOMINAL
0.499 INCHES MINIMUM AND
0.507 INC