National Item Identification Number

00-188-6697
001886697
3940-00-188-6697
3940001886697

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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0BR38

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61898

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EFS AEROSPACE INC.
24910 AVENUE TIBBITTS
VALENCIA
CA
91355
661-295-1015

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65273

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98897

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Reference Numbers (Part Numbers)

4F55500-101C
4F55500-101C
4F55500-101C
4F55500-101C

Required Categories

STYLE DESIGNATOR
SHEAVE OUTSIDE DIAMETER
CENTER PIN DIAMETER
BLOCK TYPE
MATE

Required Description

25 HALF-STRAP PATTERN
ANY ACCEPTABLE
ANY ACCEPTABLE
REGULAR
ANY ACCEPTABLE;