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NPFC - GGG-B-500

BLOCK, TACKLE (WIRE ROPE)

inactive
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Organization: NPFC
Publication Date: 11 October 1983
Status: inactive
Page Count: 18
scope:

This specification covers single-sheave snatch and single- and multiple-sheave ordinary wire rope tackle blocks for regular and heavy duty use.

Federal specifications do not include all varieties of the commodity indicated by the title of the specification, but cover only those most generally used by the Federal Government.

Tackle blocks shall be of the following types, grades, and styles, as specified (see 6.2):

Type I - Snatch blocks single sheave, safety locking. Type II - Ordinary blocks. Grade A - Regular duty. Grade B - Heavy duty. Style 1 - Single sheave. Style 2 - Double sheave. Style 3 - Triple sheave.

intended Use:

Blocks are used to change direction of a running rope or to gain a mechanical advantage which includes hoisting and hauling operations. They are general purpose blocks recognized as a standard... View More

Document History

February 4, 2020
Block, Tackle, (Wire-Rope)
A description is not available for this item.
March 27, 2015
BLOCK, TACKLE (WIRE ROPE)
Blocks are used to change direction of a running rope or to gain a mechanical advantage which includes hoisting and hauling operations. They are general purpose blocks recognized as a standard...
GGG-B-500
October 11, 1983
BLOCK, TACKLE (WIRE ROPE)
This specification covers single-sheave snatch and single- and multiple-sheave ordinary wire rope tackle blocks for regular and heavy duty use. Federal specifications do not include all varieties of...
March 8, 1974
BLOCK, TACKLE (WIRE ROPE)
A description is not available for this item.
December 7, 1966
BLOCK, TACKLE (WIRE ROPE)
A description is not available for this item.

References

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