Wide temperature range, multi-purpose, EP aerospace grease which meets the following specifications:

SAE AMS 3058
Airbus CML No. 03GCC1
Joint Services Designation – XG-294
Def Stan – 91-106/2
NATO Code – G-1352
NATO Stock No 9150 99 855-1324 (450g)
NATO Stock No 9150 99 376-9100 (12.5kg)

  • Exceptional aircraft wheel bearing grease
  • Impressive temperature range of -54 to +175°C
  • Excellent high temperature performance
  • High load carrying properties (355kg weld load)
  • Excellent corrosion resistance
  • Highly resistant to oxidation, providing extended lubrication intervals whilst reducing equipment failure, downtime and lubricant usage

Product information

AEROSPEC 400 grease provides exceptional corrosion protection and extreme pressure performance. It is suitable for use in a wide range of arduous and extreme operating environments, particularly aircraft wheel bearings.

AEROSPEC 400 aircraft wheel bearing grease is now approved to the Boeing specification MMS 657. It is also the first commercially available product to meet the SAE AMS 3058 specification and be approved by Airbus for use in wheel bearings.

AEROSPEC 400 is approved for use on:
  • Boeing to MMS 657
  • Airbus to 09-06-003


  • Specialist Aerospace Lubricants
    Specialist Aerospace Lubricants
  • Aerospace & Defence
    Aerospace & Defence


  • AS/EN 9100
    AS/EN 9100

Case Studies

  • AEROSPEC® 400 - Finnish Air Force
    AEROSPEC® 400 - Finnish Air Force


  • Aerospace
  • Military

Part Codes

  • Size: 380g
    Part Number: 16630
  • Size: 450g
    Part Number: 16637
  • Size: 3kg
    Part Number: 16638
  • Size: 18kg
    Part Number: 16634

How to use a standard grease gun

This video is a short demonstration on how to use a standard grease gun.

Four Ball Weld Test Demonstration

This video is a demonstration of a standard four ball weld test. The test is deemed to be complete when the ball bearings have welded together under the heat generated by friction. The first test is completed with a general purpose maintenance grease and the second test uses a bearing lubricant from our FOODLUBE range.

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