MIL-DTL-85694A
SAE INTERNATIONAL
SAE J1966 Lubricating Oils, Aircraft Piston Engine (Non-Dispersant Mineral Oil)
(Copies of this document are available from https://www.sae.org or from the SAE International,
400 Commonwealth Drive, Warrendale, PA 15096-0001.)
2.3 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a
conflict between the text of this document and the references cited herein, the text of this
document takes precedence. Nothing in this document, however, supersedes applicable laws and
regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Qualification. The spectrometric oil standards furnished under this specification shall be
products that are authorized by the qualifying activity for listing on the applicable qualified
products list before contract award (see 4.2 and 6.3).
3.2 Material. The standards shall be prepared from metallo-organic concentrates and base oil.
3.2.1 Metallo-organic concentrates. The metallo-organic concentrates shall consist of
metallo-organic or organic oil-miscible liquid compounds or solutions and a fully compatible
preservative, stabilizing additive. The compounds shall be fully soluble/miscible in the base oil.
3.2.2 Base oil. The base oil for blending the standards shall be an SAE 50 mineral oil that
meets the requirements of Table I, which is analogous to an SAE J1966 non-additive mineral
aircraft engine lubricating oil. The base oil shall be tested to verify that no trace metals exceed
1 part per million (ppm), milligrams per kilogram.
3.3 Spectrometric oil standards (SOS). The spectrometric oil standards shall be prepared
using materials specified in 3.2 to the concentration specified in the contract. Nominal
concentrations are 5 ppm, 10 ppm, 30 ppm, 50 ppm, 80 ppm, 100 ppm, 120 ppm, 300 ppm, 500
ppm 700 ppm, and 900 ppm for types D19-XXX and D21-XXX; 5 ppm, 10 ppm, 30 ppm, 50
ppm, 100 ppm, and 300 ppm for type D12-XXX; 100 ppm for type D3-100; 0 ppm for type D19-
0.
3.3.1 Type D19-0. Type D19-0 shall be a 0 standard that meets the requirements specified in
Table I and does not exceed the elemental requirements in Table II.
3.3.2 Type D19-XXX. Type D19-XXX spectrometric oil standard (SOS) shall meet the
requirements specified in Table I and contain the elements at the appropriate concentrations as
listed for Type D19 standards in Table II. Nominal concentrations for D19 standards are 5 ppm,
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