Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
SAE J2362-2008: Engine Lubricating Oils for Military Administrative Service – Key Specifications
Scope and Background
SAE J2362-2008 is a standard that defines lubricating oils for spark-ignition engines used in administrative-type commercial vehicles for military fleets. Originally issued in 1998 and cancelled in January 2008, it superseded the military’s Commercial Item Description CID A-A-52039. The standard aligns military oil requirements with commercial API SM and ILSAC GF-4 categories, allowing the Department of Defense to procure off-the-shelf products that meet robust industry quality frameworks.
Important Note: SAE J2362 was cancelled in 2008. When procuring older equipment that references this standard, ensure the oil also meets current API SP or ILSAC GF-6 requirements, as later categories generally provide backward compatibility.
Technical Specifications and Viscosity Grades
The standard specifies three viscosity grades based on SAE J300: SAE 5W-20, 5W-30, and 10W-30. Oils must meet the physical and chemical properties listed in Table 1, including pour point, gravity, sulfur content, sulfated ash, phosphorus, nitrogen, and metallic components. For properties marked with an X, typical values must be reported.
| Property | SAE 5W-20 | SAE 5W-30 | SAE 10W-30 | ASTM Test Method |
|---|---|---|---|---|
| Pour-Point, °C max. | -36 | -36 | -30 | D 97 |
| Stable Pour-Point, °C max | -36 | -36 | -30 | FTM 203 |
| Gravity, °API | X | X | X | D 287 |
| Sulfur, mass % | X | X | X | D 2622, D 4951 |
| Sulfated Ash, mass % | X | X | X | D 874 |
| Phosphorus, mass % | X | X | X | D 4951 |
| Nitrogen, mass % | X | X | X | D 4629 |
| Metallic Components, mass % | X | X | X | D 4951 |
Oils may be formulated from petroleum fractions, synthetic compounds, or rerefined stocks. Additives such as detergents, dispersants, and oxidation inhibitors are required to meet performance targets. Base stock composition and additive package details must be disclosed to the Lubricant Review Institute during the pre-review process.
Engineering Insight: The standard’s emphasis on transparency in formulation data (base stock types, additive package details) enables qualification bodies to verify long-term performance and batch consistency. This is especially critical for military logistics where oil change intervals may be extended and storage conditions vary.
Quality Assurance and Procurement
Contractors must certify that their product meets all salient characteristics and provide evidence of market acceptability. A mandatory pre-review by the Lubricant Review Institute (LRI) Engine Oil Review Committee ensures the oil complies with the standard’s chemical, physical, and performance criteria. Approved products are listed on PRI’s Qualified Products List (QPL).
The standard also incorporates regulatory requirements: oils must not be carcinogenic per OSHA 29 CFR 1910.1200, and formulations must be available for toxicological review. Procuring agencies are encouraged to use recovered materials such as rerefined stocks when feasible.
For a detailed understanding of the testing protocols, refer to the applicable ASTM methods listed in Table 1 and the API 1509 Licensing and Certification System.
Frequently Asked Questions
- Is SAE J2362 still active?
- No, the standard was cancelled in January 2008. However, it may still be referenced in legacy contracts. Current procurement should specify the latest API (e.g., SP) and ILSAC categories.
- What are the required viscosity grades?
- SAE 5W-20, 5W-30, and 10W-30. All are defined according to SAE J300.
- Are synthetic oils allowed?
- Yes. The standard allows oils derived from petroleum, synthetic compounds, or mixtures. Rerefined base stocks are also permitted.
- What performance certifications must the oil display?
- It must carry the API donut symbol and the API Certification Mark (starburst symbol), indicating compliance with API SM and ILSAC GF-4.
