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Mobil - Mobilgrease 28 Aviation Grease , 14oz, MIL-PRF-81322

Mobilgrease 28 is a supreme performance, wide-temperature, antiwear grease designed to combine the unique features of a polyalphaolefin (PAO) synthetic base fluid with an organo-clay (non-soap) thickener. Its consistency is between an NLGI No. 1 and No. 2 grease. It offers outstanding performance over a wide temperature range. The wax-free nature of the synthetic base fluid, together with its high viscosity index compared to mineral oils, provide excellent low temperature pumpability, very low starting and running torque, and can help reduce operating temperatures in the load zone of rolling element bearings.

The clay thickener gives Mobilgrease 28 a high dropping point value of around 300ºC, which provides excellent stability at high temperatures. Mobil grease 28 resists water washing, provides superior load-carrying ability, reduces frictional drag, and prevents excessive wear. Tests show that Mobil grease 28 lubricates effectively rolling element bearings under conditions of high speeds and temperatures. Mobilgrease 28 has also shown excellent ability to lubricate heavily loaded sliding mechanisms, such as wing flap screw jacks.

For more than 30 years, Mobilgrease 28 has been the multi-purpose grease of choice for military and related aviation applications, worldwide.

Mobil - Mobilgrease 28 Aviation Grease Features and Benefits:
A particular requirement of aviation greases is the need to resist high temperature stresses, while providing excellent starting and low torque at low-temperature. To meet this combination of needs ExxonMobil product formulation scientists chose synthetic hydrocarbon base oils for Mobilgrease 28 because of their low volatility, exceptional thermal/oxidative resistance, and superb low-temperature capability. Formulators chose specific thickener chemistry and a proprietary additive combination which helps maximize the benefits of the synthetic base oils.

Mobilgrease 28 meets the requirements of key military and commercial aviation specifications and has built up a superb reputation for performance and reliability among users around the world.

Mobil Aviation Grease 28 provides the following advantages and potential benefits:

  • High viscosity index (VI) synthetic base stock with no wax content   
    • Allows wide operating temperature range - outstanding high and low temperature performance
    • Provides thicker fluid films protecting against wear of equipment parts operating at high temperature
    • Causes low resistance during start-up at very low temperatures
  • Excellent protection against wear and corrosion   
    • Superb bearing protection and helps extend bearing life and reduce bearing replacement costs
  • Extreme-pressure protection characteristics   
    • Avoids excessive wear, even under shock load
  • High thermal/oxidative stability   
    • Long relubrication intervals
  • High resistance to water washout   
    • Maintains excellent grease performance in adverse weather and other water-exposure conditions

 
Mobil Aviation Grease 28 Applications:
Mobilgrease 28 is designed for the lubrication of plain and rolling bearings at low to high speeds, and splines, screws, worm gears, and other mechanisms where high friction reduction, low wear, and low lubricant friction losses are required. The recommended operating temperature range is -54ºC to 177ºC (-65ºF to 350ºF) with appropriate relubrication intervals.

Mobilgrease 28 is recommended for use in landing wheel assemblies, control systems and actuators, screw jacks, servo devices, sealed-bearing motors, oscillating bearings, and helicopter rotor bearings on military and civil aircraft. Subject to equipment manufacturer approvals, it can also be used on naval shipboard auxiliary machinery and where superseded specifications MIL-G-81322 (WP), MIL-G-7711A, MIL-G-3545B, and MIL-G-25760A are recommended.

Mobil Aviation grease 28 is also recommended for industrial lubrication, including sealed or repackable ball and roller bearings wherever extreme temperature conditions, high speeds, or water washing resistance are factors. Typical industrial applications include conveyor bearings, small alternator bearings operating at temperatures near 177ºC (350ºF), high-speed miniature ball bearings, and bearing applications where oscillatory motion, and vibration create problems.

Mobil Aviation grease 28 is qualified by the U.S. Military under Specification MIL-PRF-81322, General-Purpose, Aircraft, and Specification DOD-G-24508A (Navy) for shipboard auxiliary machinery. It is a U.S. Military Symbol WTR and NATO Code Number G-395 grease.

Mobil Aviation Grease 28 Specifications and Approvals:

  • MIL-PRF-81322G
  • DOD-G-24508A, Amendment 4
  • NATO G-395    

Mobil - Mobilgrease 28 Aviation Grease , 14oz Product Specifications:

  • UOM : Cartridge
  • Size : 13.7 oz
  • Manufacturer P/N : 970934
  • Alt P/Ns : M0BIL28CTG
  • UPC : 071924459427
  • Military Standard : MIL-PRF-81322
  • Approvals : MIL-G-81322, DOD-G-24508A

 

Weight
1.00
MilSpec
MIL-PRF-81322
UPC
071924459427
Quantity:

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