National Item Identification Number

01-136-6187
011366187
3940-01-136-6187
3940011366187

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)

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Reference Numbers (Part Numbers)

DC1207
152500

Required Categories

STYLE DESIGNATOR
SHELL LENGTH
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BL

Required Description

20 PULLEY PATTERN
7.000 INCHES NOMINAL
4.000 INCHES NOMINAL
0.375 INCHES NOMI