Royco® 782

Product Description: A super clean, synthetic based hydraulic fluid with suitability for the most extreme operating temperatures. Designed for improved fire-resistivity.

Specification: MIL – PRF – 83282

NATO Specification: H-537

Joint Service Designation: OX-19

MIL-SPEC Scope: This specification covers the requirements for a synthetic hydrocarbon-base hydraulic fluid for use in the temperature range of -40 ⁰C to + 205 ⁰C. This hydraulic fluid is identified by NATO Code Number H-537.


  • US Military 2 Years
  • Commercial 5 Years
  • NATO 2 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
9150-00-149-7431 1 quart. Can
9150-00-149-7432 1 gal. Can
9150-01-009-7709 10 gal. Can
9150-00-180-6290 55 gal. D

Aircraft Turbine Engine Lubricating OilAircraft Lnstrument Lubricating OilTurbine Engine Oil