MIL-DTL-3918 Lubricating Oil, Instrument, Jewel Bearing \(No S/S Document, See Notice 1 For Additional Information\)This specification covers one grade of low-temperature, non-spreading lubricating oil for use on instrumental jewel bearings.

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MIL-DTL-3918B

4.2 Sampling.

4.2.1 Sampling for examination of the preparation for delivery.

4.2.1.1 Sampling for inspection of containers. A random sample of packed containers

from each lot shall be taken in accordance with ANSI Z1.4 at inspection level II. The acceptance

criteria shall be as specified in the procurement document (see 6.2).

4.2.1.2 Sampling for tests. The samples for tests shall be eight ounces of oil taken from

the bulk lot in accordance with ASTM D4057 or ASTM D4177 and a sample of each of the

ingredients from each lot of oil offered or processed for delivery under a contract or order. The

acceptance criteria shall be as specified in the procurement document (see 6.2).

4.3 Examination of the preparation for delivery. Samples taken in accordance with 4.2.1

shall be examined for compliance with MIL-STD-290 with regard to fill, closure, sealing,

leakage, packaging, and packing and marking requirements.

4.4 Inspection methods.

4.4.1 Chemical composition. The contractor shall certify that the composition of the oil

is in accordance with table I. The ingredients shall be tested in accordance with table II as

required.

Table III. Test methods for ingredient properties.

Method Title

ASTM Method No.

Viscosity

D445

Refractive Index

D1218

Acid Number

D974

Saponification Number

D94

Melting Point

D1519