MIL-DTL-52872D
d.
Technical Data Package List, including revision level, to which
each item being furnished (by contractor) is to be built.
e.
When a first article is required for inspection and approval, the
total number of units required, and the number to be subjected to
environmental and reliability tests respectively, if other than
specified (see 3.2, 4.2.2.1, 4.2.2.2 and 6.3).
f.
When Government-loaned property is not required (see 3.10).
g.
Packaging requirements (see 5.1).
h.
When electromagnetic susceptibility testing is required, the
number of units to be tested if other than one.
6.3. First article. When a first article inspection is required, the
UMSs, major components or transducer kits should be preproduction models. The
contracting officer should include specific instructions in acquisition
documents regarding arrangements for examinations, approval of the first
article test results and disposition of the first articles. Invitation for
bids should provide that the Government reserves the right to waive the
requirement for samples for first article inspection to those bidders offering
a product which has been previously acquired or tested by the Government, and
that bidders offering such products, who wish to rely on such production or
test, must furnish evidence with the bid that prior Government approval is
presently appropriate for the pending contract. Bidders should not submit
alternate bids unless specifically requested to do so in the solicitation.
6.4. Definitions.
The following definitions apply throughout this
specification.
6.4.1. False alarm. An alarm generated by stimuli other than those for
which the test item is designed to alarm.
6.4.2. Tamper alarm. Alarm resulting from removal of the sensor assembly
cover or pry-off of the sensor assembly from its mounting.
6.4.3. Damage. Damage is defined as deformation, corrosion, loosening of
parts, breakage, or change of fit of any components; physical change which
impairs the mechanical integrity of the UMS; evidence of delamination or water
penetration into integrated circuits, printed circuit boards, or external
components; or physical condition resulting in noncompliance of the item with
the provisions of this specification.
6.4.4. Doppler signal synthesizer. For a given basic transmitted
ultrasonic signal, this equipment produces an ultrasonic signal equal in
frequency to the basic frequency plus or minus Doppler frequencies
corresponding to the selectable radial target velocities, and adjustable in
amplitude to simulated target range. The output signal may, as desired,
simulate a unidirectional target, or one oscillating in place, and may be
either steady-state or pulsed, with the pulse duration selectable. The output
signal may be hard-wired to the load or radiated (air-coupled) to the load by
close transducer spacing.
6.4.5. Wideband ultrasonic signal generator. The wideband ultrasonic
signal generator (WUSG) produces wideband ultrasonic energy, continuous wave
(CW) or pulsed, and adjustable in amplitude. The output signal may be
hard-wired to the load or radiated (air-coupled) to the load.
6.4.6. Quality assurance provisions (QAP). A QAP is a contractual
requirement that supplements section 4 of the specification. A QAP indicates
the minimum requirements which must be inspected on the product drawings to
verify the objectives of the product and assure interchangeability of the
repair parts.
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