MIL-PRF-10436N
4.4.3.5.3 Damping shell . The compass shall be examination to verify that inside (visible)
surfaces of the damping shell have been treated and painted with semi-gloss white enamel (see
6.11). Failure of this examination constitutes failure of this requirement
4.4.3.6 Markings.
4.4.3.6.1 Identification. The compass shall be examined to verify that the lot identification is
permanently marked on the compass, inside the cover (if applicable) and the marking includes
year and month of manufacture and lot number, for example 90-7-002. The top of the compass
shall be marked with the identification and part number of the manufacturer, and National Stock
Number (NSN). Incomplete or illegible marking shall constitute failure of this requirement.
4.4.3.6.2 Radiation marking. If radioactive luminous light sources are used, verify which
marking is required (see 6.2).
4.4.3.6.2.1 Specific license marking. The compass shall be examined to verify that the bottom
of the compass is permanently marked as required by applicable Nuclear Regulatory
Commission Byproduct Materials License; that it includes the radiation caution symbol (not in
color), quantity of isotope, the byproduct-materials license number, appropriate control
instructions of the using service, and a warning against disassembly. Incomplete or illegible
marking shall constitute failure of this requirement.
4.4.3.6.2.2 Marking of a license exempt item. The compass shall be examined to verify that
the bottom of the compass is permanently marked to include the Nuclear Regulatory
Commission manufacturer's identification number, XXXmCi 3H (where XXX shall be replaced
by the actual nominal activity) and CONTROLLED DISPOSAL REQUIRED (see 6.4).
Incomplete or illegible marking shall constitute failure of this requirement.
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
personnel, these personnel need to contact the responsible packaging activity to ascertain
requisite packaging requirements. Packaging requirements are maintained by the Inventory
Control Point's packaging activity within the Military Department or Defense Agency, or within
the System Command of the Military Department. Packaging data retrieval is available from the
automated packaging files of the managing Military Department or Defense Agency, CD-ROM
products, or by contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature, which is helpful, but is
not mandatory.)
6.1 Intended use. The compass, with self-luminous light sources to facilitate use during
periods of darkness, is for obtaining magnetic azimuths for ground navigation, reconnaissance,
and fire control purposes.
6.1.1 Military Unique Rationale. The Lensatic Compass is military unique because it must
operate satisfactorily and not be damaged during the rigors of worldwide battlefield deployment.
The compass is required to survive and perform in extreme cold and heat, not be damaged when
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