National Item Identification Number
00-877-5715
008775715
3940-00-877-5715
3940008775715
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)
80091
NAVAL FACILITIES ENGINEERING COMMAND
200 STOVAL ST
ALEXANDRIA
VA
22332
703-325-0589
Reference Numbers (Part Numbers)
MIL-L-28654
6028259
Required Categories
STYLE DESIGNATOR
SHELL LENGTH
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BL
Required Description
3 ROUND PATTERN
36.250 INCHES NOMINAL
34.000 INCHES NOMINAL
4.247 INCHES MINI