National Item Identification Number

01-353-7988
013537988
3940-01-353-7988
3940013537988

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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75535

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CROSBY GROUP INC
DBA CROSBY
2801 DAWSON RD
TULSA
OK
74110
918-834-4611

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Reference Numbers (Part Numbers)

H301C4

Required Categories

STYLE DESIGNATOR
SHELL LENGTH
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BL

Required Description

1 OVAL PATTERN
4.000 INCHES NOMINAL
2.250 INCHES NOMINAL
0.375 INCHES NOMINAL