MIL-DTL-38449D
6.2 Acquisition requirements. Acquisition documents must specify the following:
a. Title, number, and date of this specification.
b. Class required (see 1.2).
c. Packaging requirements (see 5.1).
d. Data requirements (DD 1423)
e. Delivery requirements.
6.3 Qualification. With respect to products requiring qualification, awards will be made only for
products which are at the time set for opening of bids qualified for inclusion in the applicable
Qualified Products List, whether or not such products have actually been so listed by that date.
The attention of the suppliers is called to this requirement, 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. The activity responsible for the Qualified Products List is the
Oklahoma City Air Logistics Center/ENSDAA, 3001 Staff Drive, Tinker AFB, OK 73145
af71@tinker.af.mil and information pertaining to qualification of products may be obtained from
that activity.
6.4 Definitions.
6.4.1 Contact. Contact is the second amplifier relay position. This position may also be referred
to as "latched", however, the word "latched" more accurately describes the tanker and receiver
aerial refueling hardware in the mated and locked position.
6.4.2 D7A/B. This series of signal amplifiers were very early versions which perform the same
function as the M38449 series of amplifiers but are very large volume and are equipped with
vacuum tubes and telegraph relays. This amplifier is not equipped with signal circuitry diodes.
6.4.3 A20-1A/B. This series of signal amplifiers is a later version of the D7A/B with the same
function, but a smaller envelope and is a hermetically sealed unit. The /B version is equipped
with an internal diode to protect the unit from misfiring due to stray signal voltages.
6.5 Subject term (key word) listing.
Communications
Signal Amp
UARRSI
6.6 Changes from previous issue. Marginal notations are not used in this revision to identify
changes with respect to the previous issue due to the extent of the changes.
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