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GGG B 500C 联邦规范 滑车（钢丝绳）（1983年10月11日）

ID：42136

大小：0.46 MB

页数：36页

时间：2023-03-16

金币：20

上传者：战必胜
CGG-B-500C
11 October 1!283
SUPERSEDING
CCC-B-500B
December 7, 1966
FEDERAL SPECIFICATION
BLOCK, TACKLS (WIRS ROPE)
This specification was approved by the Assistant Administrator
Federal Supply and Services , General Services Administration for
the use of all Federal agencies.
1. SCOPE AND CLASSIFICATION
1.1 *. This specification covers single-sheave snatch and single- and
multiple-sheave ordinary wire rope tackle blocks for regular and heavy duty use.
1.1.1 Federal specification coverage.
Federal specifications do not in-
clude all varieties of the commodity indicated by the title of the specifi-
cation, but cover only those most generally used by the Federal Government.
1.2 Classification.
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.
FSC 3940
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