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RR C 271C 联邦规范 焊接和无焊接链条和附件（1986年7月17日）[替代MIL S 24214A]

ID：43215

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大小：1.72 MB

页数：47页

时间：2023-03-16

金币：20

上传者：战必胜
&-C-271C
17
July
1986
SUPERSEDING
Fed. Spec.
RR-C-271B
August
28,
1973
(See
6.9)
FEDERAL
SPECIFICATION
CHAINS
AND-
AITACHtIENTS.
WELDED
AND
WELDLESS
This
specification
is
approved by
the
Commisioner,
Office
of
Federal
Supply
and
SUV1~-
GeneftrMerviCesAaministration,'
for'tlie
use
of·
all
Federal
agencies.
1.
SCOPE
AND
CLASSIFICATION
1.1
Scope.
This
specification
covers
welded and
weldless
chain
of
commer-
cial
quality
together
with
sundry
attachments
more
commonly
used
with
this
chain.
1.1.1
Federal
specification
coverage.
Federal
specifications
do
not
include
all
types,
grades,
classes,
styles,
and
so
forth,
of
the
commodities
indicated
by
the
title
of
the
specification.
or
which
are
commercially.avail-
able,
but
are
intended
to
cover
the
types,
and
so
forth,
which
are
suitable
for
Federal
Government
requirements.
1.2
Classification.
1.2.1
Chain. Chain
shall
be
of
the
following
types,
classes,.
and
styles,
as
specified
(see
6.2):
Type I - Chain, welded
steel.
r
Class
1 -
Alloy
chain.
Class
2 - High
te~t
chain.
Class
4
Proof
coil
chain.
Class
5 - TWist
link
chain.
Style
1 -
Long-link
pattern
(coil).
Style
2 -
Short-link
pattern
(machine).
Type
II
-
Chain,
weldless.
Class
1 -
Single-loop
pattern.
Class
2 -
Double-loop-pattea..
Class
3 - Sash
chain.
Class
4 -
Flat-link
chain.'
Class
5 - Bead
chain.
Class
6 -
Safety
chain.
Class
7
--Single-jack
chain.
Class
8 -
Double-jack
chain.
Class
9 - Ladder
chain.
Class
10
-
Register
chain.
Class
11
- Mechanical communication
chain.
FSC
4010,
4030
DISTRIBUTION
STATEMENT
A Approved
for
public
release;
distribution
unlimited
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