MIL-DTL-24640C
6.2.2 Conductor strand inspection. Records of tests and/or certifications should be kept on file and be made
available upon request.
6.2.3 Quantity. The quantity of each type and size on a contract or order should be specified as an integral
multiple of the unit ordering length shown by the specification sheet.
6.2.4 Lengths. The range of standard, random, remnant, and scrap lengths for each nominal length is shown in
table X. In order to compensate for handling and probable loss on issue, remnant lengths are subject to the price
reductions specified in table X. Scrap lengths are not acceptable. It is not intended that items being acquired in
exact lengths for a specific job or ship should necessarily be shipped in lengths which are integral multiples of the
unit ordering length or that price reductions should apply in the event that exact footages or fractional lengths are
required and so indicated in acquisition of cable other than stock purposes.
6.2.5 Flame propagation testing. Flame propagation testing will be selected by testing the first production run
of each type and size of cable each calendar year (20xx) and emailed to NAVSEA 05S at
commandstandards@navy.mil. The test results should also be maintained in a log (at the factory), and should
contain as a minimum the following information.
Part #
Lot #
Test lab
Pass/fail
Tested by
Date of
Footage
Flame
Flame
test
in tray
travel
extinction
height
time
6.3 Special clause. Except when small quantities are to be purchased, invitations for bid and contracts or orders
should specify the following:
"In order to compensate for handling and probable loss in issue, remnant lengths should be subject to the price
reductions specified in table II. In order that the number of lengths be kept to a minimum consistent with good
manufacturing practices, for each type and size of cable on the contract or order, not less than 70 percent of the total
footage to be shipped should be in standard lengths, and not more than 30 percent may be in any combination of
random and remnant lengths. When the total quantity of any one item is six nominal lengths or less, a footage
approximately two nominal lengths (in lieu of 30 percent) may be in any combination of random and remnant
lengths. When the total quantity of any one item is two nominal lengths or less, the total footage may be in any
combination of random lengths."
6.4 Time delay. Comparison inspection will normally require 40 calendar days from the date the sample is sent
to the Government designated laboratory to the date the inspection results are received by the manufacturer. This
time delay should be taken into consideration by a contractor when estimating delivery time.
6.5 Qualification. With respect to products requiring qualification, awards will be made only for products
which are, at the time of award of contract, qualified for inclusion in Qualified Products List QPL No. 24640
whether or not such products have actually been so listed by that date. The attention of the contractors is called to
these requirements, and manufacturers are urged to arrange to have the products that they propose to offer to the
Federal Government tested for qualification in order that they may be eligible to be awarded contracts or orders for
the products covered by this specification. Information pertaining to qualification of products may be obtained from
Commander, Naval Sea Systems Command, ATTN: SEA 05S, 1333 Isaac Hull Avenue, SE, Stop 5160,
Washington Navy Yard DC 20376-5160 or emailed to CommandStandards@navy.mil. An online listing of
products qualified to this specification may be found in the Qualified Products Database (QPD) at
6.6 Sub-contracted material and parts. The preparation for delivery requirements of referenced documents
listed in Section 2 do not apply when material and parts are acquired by the contractor for incorporation into the
equipment and lose their separate identity when the equipment is shipped.
6.7 Definitions. For the purpose of the conformance inspection, the sampling terms specified in 6.7.1 through
6.7.4 should apply.
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