MIL-DTL-81219C
ambient temperature. At room temperature, the indicator shall meet the operational requirements of
4.6.2 (see 3.3.1).
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified
in the contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD
or in-house contract personnel, these personnel need to contact the responsible packaging activity
to ascertain packaging requirements. Packaging requirements are maintained by the inventory
control point's packaging activities within the military service or defense agency, or within the
military service's system commands. Packaging data retrieval is available from the managing
military service's or defense agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is
not mandatory.)
6.1 Intended use. The indicators covered by this specification are intended to accurately
record the number of hours that the equipment has operated in the environment described herein.
These devices are suitable for use in aircraft.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a.
Title, number, and date of this specification.
b.
MS number and quantity
c.
Issue of individual documents referenced (see 2.2.1).
d.
Special test conditions, if any (see 4.2).
e.
First article requirement (see 4.3).
f.
Packaging requirements (see 5.1).
6.3 Definitions.
6.3.1 Voltage All AC voltages as used in this specification should be considered to be root
mean square (rms) values.
6.3.2 Hermetic seal. A perfectly closed and airtight seal made between vitric surfaces,
metallic surfaces or vitric to metallic surfaces. It is not intended to include seals accomplished by
gaskets, but vitric epoxy resin seals with epoxy resin encapsulation are acceptable.
6.3.3 Indicator. The indicator is a complete elapsed time indicator assembly. The assembly
may be packaged with an indicating cell and regulator in a single inseparable package, or it may be
separable and consist of a holder, regulator and indicating cell.
6.3.4 Holder. The part of a separable indicator assembly into which the indication cell is
inserted, and its associated cap.
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