Royco® 770

Product Description: A super clean, synthetic based, severe-duty, hydraulic fluid demonstrating fire-resistivity and is specifically additized for excellence in corrosion, oxidation and rust inhibition performance.

Specification: MIL – PRF – 46170

NATO Specification: H-544

Joint Service Designation: N/A

MIL-SPEC Scope: This specification covers the requirements or one type of synthetic hydrocarbon base hydraulic fluid.

Shelf Life:

  • US Military 2 Years
  • Commercial 5 Years
  • NATO 3 Years

Tariff Code: 3403.99.0000

Material: Synthetic Hydraulic
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
National Stock Number Grade Amount Container
9150-01-332-7819 Type I 1 pt. Can
9150-00-111-6256 Type I 1 quart. Can
9150-00-111-6254 Type I 1 gal. Can
9150-00-111-6255 Type I 5 gal. Can
9150-01-158-0462 Type I 55 gal. Drum

Power Transmission Hydraulic FluidHighly Refined Mineral OilSynthetic Based Hydraulic FluidHydraulic Fluid