Most recent
MIL-DTL-25988/1B
Rubber, Fluorosilicone Elastomer, Oil- and Fuel Resistant, O-Rings, Class 1, Grade 70
This specification sheet describes a standardized part numbering system for the procurement of fluorosilicone elastomer rubber oil and fuel resistant o-rings Class 1, Grade 70, intended for use in packing glands as specified in MIL-G-5514.
Department of Defense [dod]