StatA

Coast Guard, DOT

§ 164.023–15

(b) Lot size. Lot size must not exceed
460,000 meters (500,000 yds.) or 45 kg (100
lb.) of any color.
(c) Sample selection. Samples must be
selected at random by the manufacturer (or inspector, as applicable) after
the entire lot of thread has been completed.
(d) Second sampling. A second sampling, where required, must consist of
five times the original sample size.
(e) Manufacturer’s production tests.
The component manufacturer shall
perform the following tests on the samples indicated (each sample to include
at least 5 specimens unless otherwise
specified in the referenced test procedure) on each lot of thread:
(1) Breaking strength. One sample
must be tested in accordance with
§ 164.023–7(a)(1) or § 164.023–7(b)(1), as applicable.
(2) Length/weight ratio. One sample
must be tested in accordance with
§ 164.023–11(b)(1).
(f) Recognized laboratory production
tests. Manufacturers shall ensure that
the following tests and inspections are
performed on non-standard components
by a recognized laboratory:
(1) Composition. At least annually,
one sample of each accepted thread
must be tested in accordance with
§ 164.023–11(b)(2).
(2) Breaking strength. At least quarterly, one sample in each of the lightest and darkest colors accepted must
be tested in accordance with § 164.023–
7(a)(1) or § 164.023–7(b)(1), as applicable.
This test may be performed by a recognized laboratory, or witnessed by a recognized laboratory inspector at the
manufacturer’s plant, at the laboratory’s discretion.
(3) Elongation. At least annually, one
sample of each accepted thread in each
of the lightest and darkest colors accepted must be tested in accordance
with § 164.023–11(b)(3). This test may be
performed by a recognized laboratory,
or witnessed by a recognized laboratory inspector at the manufacturer’s
plant, at the laboratory’s discretion.

(g) Accept/reject criteria. Unless the alternate procedures as permitted by
§ 164.019–013(m) are followed, the results
of required production testing on a lot
must meet the following criteria for
the lot to be shipped as Coast Guardaccepted thread:
(1) Breaking strength test results
must be within 10 percent below and 20
percent above the acceptance testing
values but not less than the performance minimums.
(2) Length/weight values must be
within 5 percent of the acceptance testing values but not less than the performance minimums.
(3) Elongation values must be within
20 percent of the acceptance testing
values but not less than the performance minimums.
(4) Composition testing must indicate
that the sample tested is of identical
composition to the sample tested for
acceptance or in accordance with the
performance specification.
§ 164.023–15

Marking.

(a) General. The manufacturer must
ensure that each shipping label, and
each spool or individual unit of put-up,
is permanently and clearly marked in a
color which contrasts with the color of
the surface on which the marking is
applied. Each label must be marked
with—
(1) The manufacturer’s or supplier’s
name, trade name, or symbol;
(2) The unique style, part, or model
number of the thread;
(3) The size of the thread;
(4) The composition of the thread;
and
(5) The lot number of the thread.
(b) Non-standard thread. In addition
to the markings specified in paragraph
(a) of this section, each unit of put-up
of non-standard thread must be marked
with the appropriate recognized laboratory’s certification marking(s).

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PART 165 [RESERVED]