Royco® 757

Product Description: A super-clean, additized, highly refined mineral oil ordinance system hydraulic and preservative fluid that has been designed to be used in across a wide operating temperature threshold. A proprietary development for the advanced features of unmanned aerial vehicles and more.

Specification: N/A

NATO Specification: N/A

Joint Service Designation: OM-18


Shelf Life:

  • US Military: Shelf life may be retested to conformance with the applicable specification – at which time the material is reapproved for use for another shelf life period.
  • Commercial: 4 Years

Tariff Code: 2710.19.4000

Material: Mineral Hydraulic Oils
Acrylonitrile Good
Acrylonitrile-butadiene rubber (Perbunan®) Good
Butyl rubber Not Accept-able to Poor
Flurocarbon (Viton®) Accept-able
Methacrylate Good
Natural rubber/latex Poor to Fair
Poly (ethylene) Good
Polyamine (Nylon) Poor to Good
Polychloroprene (Neoprene® ) Fair to Good
Polyester Good
PTFE (Teflon® ) Accept-able
Polyvinyl chloride (PVC) Poor to Good
Silicone Poor to Good
Styrene-butadiene or styene-butadiene rubber (SBR) or Buna S Poor

LubricantBased Lubricating OilsLubricating Oil, Synthetic Based Coolant,

High Temperature Molybdenum Disulfide Grease