MIL-PRF-10436N
dropped onto hard surfaces, or leak when submerged in water. In addition, the self-excited
luminous sources (which have in the past utilized radioactive material) must not be damaged by
thermal shock caused by sudden temperature changes of -52ºC to 68ºC and have a "luminous
life" of 12 years, minimum.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of this specification.
b. Issue of DODISS to be cited in the solicitation, and if required, the specific issue of
individual documents referenced (see 2.2).
c. When first article inspection is not required (see 3.2).
d. When compasses for standards are required (see 6.2.1)
e. Number of additional instruction cards required (see 3.4.7.1).
f. Whether marking of a compass is to be for specific licenses or for general licenses
(see 3.6.6.2.).
g. When the production lot size is less than 3,200 compasses (see 4.3.1).
h. When the impact test is not required (see 4.4.3.3).
i. When the durability test is not required (see 4.4.3.4).
j. When a manufacturer's certification of service life of luminous sources is required
(see 3.4.10.1).
k. Packaging requirements (see 5.1).
l. When license to manufacture and distribute radioactive luminous sources is required
(see 6.2.2).
6.2.1 Compass standards. When specified (see 6.2), two assembled compasses, of known
luminosity, are furnished to the U.S. Army Communications-Electronics Command, Directorate
for Safety, ATTN: AMSEL-SF-RE, Building 2539, Laboratory Road, Fort Monmouth, NJ
07703-5024. The Government measures the luminosity of the sources; then, the compasses and
readings are returned to the contracting officer. The readings are used as standards in the testing
specified in 4.4.1 and 4.4.2. If self-excited luminous sources are used in the production of the
compass, the sources will be aged a period of not less than 30 days prior to being assembled into
the compass.
6.2.2 Nuclear Regulatory Commission license. If radioactive luminous sources are used, the
contractor will obtain a specific license to manufacture and distribute these sources in
accordance with the requirements of Title 10 (Nuclear Regulatory Commission) of the Code of
Federal Regulations.
6.2.3 Test vials. Prior to production, the source vial provider furnishes the Government with
two sets of loose vials (a set of loose vials constitutes the number and specific types of vials
installed in a single compass). The Government reserves the right to perform diffusion,
contamination, other nondestructive testing and destructive testing, if necessary, on the loose
vials. Forward these vials to the U.S. Army Communications-Electronics Command, Directorate
for Safety, ATTN: AMSEL-SF-RE, Building 2539, Laboratory Road, Fort Monmouth, NJ
07703-5024.
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