SPECIFICATION MET:
MIL-PRF-21260, preservative and break-in lubricating oil, internal combustion engine, Grade 10. 
(Formerly MIL-L-21260E, Grade 10).
Meets MIL-STD-2073-1 Preservative Materials (PRESV MAT) = 10.
Country of Origin = United States (USA).
 
Certificate of Conformance will be provided free of charge. Batch number and shelf-life information will be included in the CofC.
 
Click below to see the spec.
MIL-PRF-21260