Product List

Medium Pressure Rubber Hose (303, 302A)

Medium pressure hydraulic, pneumatic, fuel, oil and coolant systems specified in MS33620. Hose assemblies conform to MIL-H-8795 and MS28741. Hose conforms to MIL-H-8794. Fittings conform to MIL-A-5070 and MS24587 (Supersedes MS28740). Hose may be used in submerged applications.

Operating Temperatures
303 hose, -65°F to +250°F. 302A hose, -40°F to +250°F

Inner tube: seamless synthetic rubber compound. Reinforcement: synthetic impregnated single-wire braid over single cotton braid. Outer cover: synthetic impregnated oil-resistant cotton braid.

Shelf life
32 quarters from date of hose assembly manufacture. The service life of 303 and 302A hose is dependant on the specific application and aircraft manufacturer’s recommendation.

Common end fittings available from stock

  • Thread type: Flared (MS33656), Flareless (MS33514), BSP (only in steel)
  • Thread size: -3 to -32
  • Fitting style: Straight, 45 deg, 90 deg
  • Material: Aluminium, steel
  • Other options: Jump Size, Male thread