National Item Identification Number
00-151-6324
001516324
3940-00-151-6324
3940001516324
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)
75535
CROSBY GROUP INC
DBA CROSBY
2801 DAWSON RD
TULSA
OK
74110
918-834-4611
96508
COOPER INDUSTRIES INC
DBA COOPER HAND TOOLS DIVISION
1000 LUFKIN ROAD
728
APEX
NC
27502
919-387-2303
Reference Numbers (Part Numbers)
N-21-B
3001E
3001G
Required Categories
STYLE DESIGNATOR
SHELL LENGTH
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BL
Required Description
2 OVAL PATTERN
4.000 INCHES NOMINAL
2.250 INCHES NOMINAL
0.375 INCHES NOMINAL