FF-S-2738A
returned to the selected bidder to be used as a guide in manufacturing the first article and
production quantity.
All samples submitted will be competitively tested and the manufacturers' proprietary information
protected. Test results and tested samples become the property of the Government to protect
testing methods and techniques, and manufacturers' proprietary information (see 3.1.4 and 6.4).
Test units will not be returned to the bidder or supplier.
3.1.4 First article. Unless otherwise specified (see 4.3), 15 samples shall be furnished for first
article testing and approval (see 4.4). If the requirement for bid samples is waived, a minimum of
3 seal samples per test shall be furnished for first article testing approval. The first article units
shall be selected at random from the first 100 standard production units or from the contractors
current inventory. If approved, one intact unit of each of the first article submission will be
forwarded to the cognizant quality assurance representative, and one intact unit shall be returned
to the contractor to serve as the manufacturing standard. No deviation from the manufacturing
standard shall be acceptable without formal written approval of the contracting officer in advance.
All samples submitted will be competitively tested and the manufacturers proprietary information
protected. Test results and tested samples become the property of the Government to protect
testing methods and techniques and manufacturers' proprietary information (see 3.2.2 and 6.4).
Test units will not be returned to the bidder or supplier.
3.2 Materials. Materials used shall be free from defects which would adversely affect the
performance or maintainability of individual components of the overall assembly. Materials not
specified herein shall be of the same quality used for the intended purpose in commercial practice.
Unless otherwise specified herein, all equipment, material, and articles incorporated in the work
covered by this specification are to be new and fabricated using materials produced from
recovered materials to the maximum extent possible without jeopardizing the intended use. The
term "recovered materials" means materials which have been collected or recovered from solid
waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials.
Unless otherwise specified none of the above shall be interpreted to mean that the use of used or
rebuilt products are allowed under this specification.
3.3 Standard commercial product. The seals of the same classification shall, as a minimum, be in
accordance with the requirements of this specification and may be the manufacturer's standard
commercial product. Additional or better features which are not specifically prohibited by this
specification but which are a part of the manufacturers' standard commercial product, shall be
included in the seals being furnished. A standard commercial product is a product which has been
sold or is currently being offered for sale, on the commercial market through advertisements or
manufacturers' catalogs or brochures, and represents the latest production model.
3.4 Resistance to surreptitious attack or tampering. Each seal shall resist surreptitious attack or
tampering as specified herein. Should the seal be defeated or compromised by these
manipulations, telltale marks or evidence shall be so indicated by inspection and performance
evaluation (see 3.5).
3.4.1 The design of the locking device shall be such that when locked the seal is tamper resistant
to the extent that it will not unlock as a result of manipulation with a pin, wire, pick, knife, thin
piece of metal or any other tool without leaving visible evidence of tampering, or if unlocked,
being damaged so that they cannot be re-locked.
3.5 Description.
3.5.1 Style A - wire, type 1 - crimp. Various types of crimp/wire seals are in common use.
Essentially crimp/wire seals consist of a small piece of metal with holes for the passage of the
sealing wire. The wire is passed through the closure hasp on the container to be sealed and then
through the holes in the metal piece, which is then compressed to grasp the wire.
3.5.1.1 Physical requirements. Crimp/wire seals shall be either aluminum or steel sheet with
formed holes. Crimp/wire seals shall be furnished with or without marking in accordance with 3.6
as specified (see 6.2). Wire furnished with crimp wire seals shall be spiral wound, single strand,
two or 3 ply galvanized or stainless steel wire, specified by the user.
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